Re: [PATCH 3/3] video: fbdev: don't print error message on framebuffer_alloc() failure

From: Benjamin Tissoires
Date: Mon Jul 01 2019 - 04:38:14 EST

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Hi Bartlomiej,

On Fri, Jun 14, 2019 at 4:52 PM Bartlomiej Zolnierkiewicz
<b.zolnierkie@xxxxxxxxxxx> wrote:
>
> framebuffer_alloc() can fail only on kzalloc() memory allocation
> failure and since kzalloc() will print error message in such case
> we can omit printing extra error message in drivers (which BTW is
> what the majority of framebuffer_alloc() users is doing already).
>
> Cc: "Bruno PrÃmont" <bonbons@xxxxxxxxxxxxxxxxx>
> Cc: Jiri Kosina <jikos@xxxxxxxxxx>
> Cc: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
> ---
> drivers/hid/hid-picolcd_fb.c | 4 +---
> drivers/video/fbdev/amifb.c | 4 +---
> drivers/video/fbdev/arkfb.c | 4 +---
> drivers/video/fbdev/atmel_lcdfb.c | 4 +---
> drivers/video/fbdev/aty/aty128fb.c | 5 ++---
> drivers/video/fbdev/aty/atyfb_base.c | 10 ++++------
> drivers/video/fbdev/aty/radeon_base.c | 2 --
> drivers/video/fbdev/chipsfb.c | 1 -
> drivers/video/fbdev/cirrusfb.c | 5 +----
> drivers/video/fbdev/da8xx-fb.c | 1 -
> drivers/video/fbdev/efifb.c | 1 -
> drivers/video/fbdev/grvga.c | 4 +---
> drivers/video/fbdev/gxt4500.c | 5 ++---
> drivers/video/fbdev/hyperv_fb.c | 4 +---
> drivers/video/fbdev/i740fb.c | 4 +---
> drivers/video/fbdev/imsttfb.c | 5 +----
> drivers/video/fbdev/intelfb/intelfbdrv.c | 5 ++---
> drivers/video/fbdev/jz4740_fb.c | 4 +---
> drivers/video/fbdev/mb862xx/mb862xxfbdrv.c | 5 +----
> drivers/video/fbdev/mbx/mbxfb.c | 4 +---
> drivers/video/fbdev/omap/omapfb_main.c | 2 --
> drivers/video/fbdev/omap2/omapfb/omapfb-main.c | 6 +-----
> drivers/video/fbdev/platinumfb.c | 5 ++---
> drivers/video/fbdev/pmag-aa-fb.c | 4 +---
> drivers/video/fbdev/pmag-ba-fb.c | 4 +---
> drivers/video/fbdev/pmagb-b-fb.c | 4 +---
> drivers/video/fbdev/pvr2fb.c | 6 +-----
> drivers/video/fbdev/riva/fbdev.c | 1 -
> drivers/video/fbdev/s3c-fb.c | 4 +---
> drivers/video/fbdev/s3fb.c | 4 +---
> drivers/video/fbdev/sh_mobile_lcdcfb.c | 8 ++------
> drivers/video/fbdev/sm501fb.c | 4 +---
> drivers/video/fbdev/sm712fb.c | 1 -
> drivers/video/fbdev/smscufx.c | 4 +---
> drivers/video/fbdev/ssd1307fb.c | 4 +---
> drivers/video/fbdev/sunxvr1000.c | 1 -
> drivers/video/fbdev/sunxvr2500.c | 1 -
> drivers/video/fbdev/sunxvr500.c | 1 -
> drivers/video/fbdev/tgafb.c | 4 +---
> drivers/video/fbdev/udlfb.c | 4 +---
> drivers/video/fbdev/via/viafbdev.c | 6 +-----
> drivers/video/fbdev/vt8623fb.c | 4 +---
> 42 files changed, 40 insertions(+), 123 deletions(-)
>
> Index: b/drivers/hid/hid-picolcd_fb.c
> ===================================================================
> --- a/drivers/hid/hid-picolcd_fb.c
> +++ b/drivers/hid/hid-picolcd_fb.c
> @@ -522,10 +522,8 @@ int picolcd_init_framebuffer(struct pico
> sizeof(struct fb_deferred_io) +
> sizeof(struct picolcd_fb_data) +
> PICOLCDFB_SIZE, dev);
> - if (info == NULL) {
> - dev_err(dev, "failed to allocate a framebuffer\n");
> + if (!info)
> goto err_nomem;
> - }

It would have been better to split this change as the HID and fbdev
are different trees.

However, I do not expect a conflict here (there hasn't been updates of
hid-picolcd_fb.c in a while), so feel free to take this patch through
the fbdev tree with my:
Acked-By: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

Cheers,
Benjamin

>
> info->fbdefio = info->par;
> *info->fbdefio = picolcd_fb_defio;
> Index: b/drivers/video/fbdev/amifb.c
> ===================================================================
> --- a/drivers/video/fbdev/amifb.c
> +++ b/drivers/video/fbdev/amifb.c
> @@ -3554,10 +3554,8 @@ static int __init amifb_probe(struct pla
> custom.dmacon = DMAF_ALL | DMAF_MASTER;
>
> info = framebuffer_alloc(sizeof(struct amifb_par), &pdev->dev);
> - if (!info) {
> - dev_err(&pdev->dev, "framebuffer_alloc failed\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> strcpy(info->fix.id, "Amiga ");
> info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
> Index: b/drivers/video/fbdev/arkfb.c
> ===================================================================
> --- a/drivers/video/fbdev/arkfb.c
> +++ b/drivers/video/fbdev/arkfb.c
> @@ -954,10 +954,8 @@ static int ark_pci_probe(struct pci_dev
>
> /* Allocate and fill driver data structure */
> info = framebuffer_alloc(sizeof(struct arkfb_info), &(dev->dev));
> - if (! info) {
> - dev_err(&(dev->dev), "cannot allocate memory\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> mutex_init(&par->open_lock);
> Index: b/drivers/video/fbdev/atmel_lcdfb.c
> ===================================================================
> --- a/drivers/video/fbdev/atmel_lcdfb.c
> +++ b/drivers/video/fbdev/atmel_lcdfb.c
> @@ -1053,10 +1053,8 @@ static int __init atmel_lcdfb_probe(stru
>
> ret = -ENOMEM;
> info = framebuffer_alloc(sizeof(struct atmel_lcdfb_info), dev);
> - if (!info) {
> - dev_err(dev, "cannot allocate memory\n");
> + if (!info)
> goto out;
> - }
>
> sinfo = info->par;
> sinfo->pdev = pdev;
> Index: b/drivers/video/fbdev/aty/aty128fb.c
> ===================================================================
> --- a/drivers/video/fbdev/aty/aty128fb.c
> +++ b/drivers/video/fbdev/aty/aty128fb.c
> @@ -2102,10 +2102,9 @@ static int aty128_probe(struct pci_dev *
>
> /* We have the resources. Now virtualize them */
> info = framebuffer_alloc(sizeof(struct aty128fb_par), &pdev->dev);
> - if (info == NULL) {
> - printk(KERN_ERR "aty128fb: can't alloc fb_info_aty128\n");
> + if (!info)
> goto err_free_mmio;
> - }
> +
> par = info->par;
>
> info->pseudo_palette = par->pseudo_palette;
> Index: b/drivers/video/fbdev/aty/atyfb_base.c
> ===================================================================
> --- a/drivers/video/fbdev/aty/atyfb_base.c
> +++ b/drivers/video/fbdev/aty/atyfb_base.c
> @@ -3550,10 +3550,9 @@ static int atyfb_pci_probe(struct pci_de
>
> /* Allocate framebuffer */
> info = framebuffer_alloc(sizeof(struct atyfb_par), &pdev->dev);
> - if (!info) {
> - PRINTKE("atyfb_pci_probe() can't alloc fb_info\n");
> + if (!info)
> return -ENOMEM;
> - }
> +
> par = info->par;
> par->bus_type = PCI;
> info->fix = atyfb_fix;
> @@ -3643,10 +3642,9 @@ static int __init atyfb_atari_probe(void
> }
>
> info = framebuffer_alloc(sizeof(struct atyfb_par), NULL);
> - if (!info) {
> - PRINTKE("atyfb_atari_probe() can't alloc fb_info\n");
> + if (!info)
> return -ENOMEM;
> - }
> +
> par = info->par;
>
> info->fix = atyfb_fix;
> Index: b/drivers/video/fbdev/aty/radeon_base.c
> ===================================================================
> --- a/drivers/video/fbdev/aty/radeon_base.c
> +++ b/drivers/video/fbdev/aty/radeon_base.c
> @@ -2294,8 +2294,6 @@ static int radeonfb_pci_register(struct
>
> info = framebuffer_alloc(sizeof(struct radeonfb_info), &pdev->dev);
> if (!info) {
> - printk (KERN_ERR "radeonfb (%s): could not allocate memory\n",
> - pci_name(pdev));
> ret = -ENOMEM;
> goto err_disable;
> }
> Index: b/drivers/video/fbdev/chipsfb.c
> ===================================================================
> --- a/drivers/video/fbdev/chipsfb.c
> +++ b/drivers/video/fbdev/chipsfb.c
> @@ -366,7 +366,6 @@ static int chipsfb_pci_init(struct pci_d
>
> p = framebuffer_alloc(0, &dp->dev);
> if (p == NULL) {
> - dev_err(&dp->dev, "Cannot allocate framebuffer structure\n");
> rc = -ENOMEM;
> goto err_disable;
> }
> Index: b/drivers/video/fbdev/cirrusfb.c
> ===================================================================
> --- a/drivers/video/fbdev/cirrusfb.c
> +++ b/drivers/video/fbdev/cirrusfb.c
> @@ -2093,7 +2093,6 @@ static int cirrusfb_pci_register(struct
>
> info = framebuffer_alloc(sizeof(struct cirrusfb_info), &pdev->dev);
> if (!info) {
> - printk(KERN_ERR "cirrusfb: could not allocate memory\n");
> ret = -ENOMEM;
> goto err_out;
> }
> @@ -2206,10 +2205,8 @@ static int cirrusfb_zorro_register(struc
> struct cirrusfb_info *cinfo;
>
> info = framebuffer_alloc(sizeof(struct cirrusfb_info), &z->dev);
> - if (!info) {
> - printk(KERN_ERR "cirrusfb: could not allocate memory\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> zcl = (const struct zorrocl *)ent->driver_data;
> btype = zcl->type;
> Index: b/drivers/video/fbdev/da8xx-fb.c
> ===================================================================
> --- a/drivers/video/fbdev/da8xx-fb.c
> +++ b/drivers/video/fbdev/da8xx-fb.c
> @@ -1400,7 +1400,6 @@ static int fb_probe(struct platform_devi
> da8xx_fb_info = framebuffer_alloc(sizeof(struct da8xx_fb_par),
> &device->dev);
> if (!da8xx_fb_info) {
> - dev_dbg(&device->dev, "Memory allocation failed for fb_info\n");
> ret = -ENOMEM;
> goto err_pm_runtime_disable;
> }
> Index: b/drivers/video/fbdev/efifb.c
> ===================================================================
> --- a/drivers/video/fbdev/efifb.c
> +++ b/drivers/video/fbdev/efifb.c
> @@ -448,7 +448,6 @@ static int efifb_probe(struct platform_d
>
> info = framebuffer_alloc(sizeof(u32) * 16, &dev->dev);
> if (!info) {
> - pr_err("efifb: cannot allocate framebuffer\n");
> err = -ENOMEM;
> goto err_release_mem;
> }
> Index: b/drivers/video/fbdev/grvga.c
> ===================================================================
> --- a/drivers/video/fbdev/grvga.c
> +++ b/drivers/video/fbdev/grvga.c
> @@ -341,10 +341,8 @@ static int grvga_probe(struct platform_d
> char *options = NULL, *mode_opt = NULL;
>
> info = framebuffer_alloc(sizeof(struct grvga_par), &dev->dev);
> - if (!info) {
> - dev_err(&dev->dev, "framebuffer_alloc failed\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> /* Expecting: "grvga: modestring, [addr:<framebuffer physical address>], [size:<framebuffer size>]
> *
> Index: b/drivers/video/fbdev/gxt4500.c
> ===================================================================
> --- a/drivers/video/fbdev/gxt4500.c
> +++ b/drivers/video/fbdev/gxt4500.c
> @@ -642,10 +642,9 @@ static int gxt4500_probe(struct pci_dev
> }
>
> info = framebuffer_alloc(sizeof(struct gxt4500_par), &pdev->dev);
> - if (!info) {
> - dev_err(&pdev->dev, "gxt4500: cannot alloc FB info record\n");
> + if (!info)
> goto err_free_fb;
> - }
> +
> par = info->par;
> cardtype = ent->driver_data;
> par->refclk_ps = cardinfo[cardtype].refclk_ps;
> Index: b/drivers/video/fbdev/hyperv_fb.c
> ===================================================================
> --- a/drivers/video/fbdev/hyperv_fb.c
> +++ b/drivers/video/fbdev/hyperv_fb.c
> @@ -771,10 +771,8 @@ static int hvfb_probe(struct hv_device *
> int ret;
>
> info = framebuffer_alloc(sizeof(struct hvfb_par), &hdev->device);
> - if (!info) {
> - pr_err("No memory for framebuffer info\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> par->info = info;
> Index: b/drivers/video/fbdev/i740fb.c
> ===================================================================
> --- a/drivers/video/fbdev/i740fb.c
> +++ b/drivers/video/fbdev/i740fb.c
> @@ -1005,10 +1005,8 @@ static int i740fb_probe(struct pci_dev *
> u8 *edid;
>
> info = framebuffer_alloc(sizeof(struct i740fb_par), &(dev->dev));
> - if (!info) {
> - dev_err(&(dev->dev), "cannot allocate framebuffer\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> mutex_init(&par->open_lock);
> Index: b/drivers/video/fbdev/imsttfb.c
> ===================================================================
> --- a/drivers/video/fbdev/imsttfb.c
> +++ b/drivers/video/fbdev/imsttfb.c
> @@ -1477,11 +1477,8 @@ static int imsttfb_probe(struct pci_dev
> printk(KERN_ERR "imsttfb: no OF node for pci device\n");
>
> info = framebuffer_alloc(sizeof(struct imstt_par), &pdev->dev);
> -
> - if (!info) {
> - printk(KERN_ERR "imsttfb: Can't allocate memory\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
>
> Index: b/drivers/video/fbdev/intelfb/intelfbdrv.c
> ===================================================================
> --- a/drivers/video/fbdev/intelfb/intelfbdrv.c
> +++ b/drivers/video/fbdev/intelfb/intelfbdrv.c
> @@ -491,10 +491,9 @@ static int intelfb_pci_register(struct p
> }
>
> info = framebuffer_alloc(sizeof(struct intelfb_info), &pdev->dev);
> - if (!info) {
> - ERR_MSG("Could not allocate memory for intelfb_info.\n");
> + if (!info)
> return -ENOMEM;
> - }
> +
> if (fb_alloc_cmap(&info->cmap, 256, 1) < 0) {
> ERR_MSG("Could not allocate cmap for intelfb_info.\n");
> goto err_out_cmap;
> Index: b/drivers/video/fbdev/jz4740_fb.c
> ===================================================================
> --- a/drivers/video/fbdev/jz4740_fb.c
> +++ b/drivers/video/fbdev/jz4740_fb.c
> @@ -544,10 +544,8 @@ static int jzfb_probe(struct platform_de
> }
>
> fb = framebuffer_alloc(sizeof(struct jzfb), &pdev->dev);
> - if (!fb) {
> - dev_err(&pdev->dev, "Failed to allocate framebuffer device\n");
> + if (!fb)
> return -ENOMEM;
> - }
>
> fb->fbops = &jzfb_ops;
> fb->flags = FBINFO_DEFAULT;
> Index: b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
> ===================================================================
> --- a/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
> +++ b/drivers/video/fbdev/mb862xx/mb862xxfbdrv.c
> @@ -684,10 +684,8 @@ static int of_platform_mb862xx_probe(str
> }
>
> info = framebuffer_alloc(sizeof(struct mb862xxfb_par), dev);
> - if (info == NULL) {
> - dev_err(dev, "cannot allocate framebuffer\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> par->info = info;
> @@ -1009,7 +1007,6 @@ static int mb862xx_pci_probe(struct pci_
>
> info = framebuffer_alloc(sizeof(struct mb862xxfb_par), dev);
> if (!info) {
> - dev_err(dev, "framebuffer alloc failed\n");
> ret = -ENOMEM;
> goto dis_dev;
> }
> Index: b/drivers/video/fbdev/mbx/mbxfb.c
> ===================================================================
> --- a/drivers/video/fbdev/mbx/mbxfb.c
> +++ b/drivers/video/fbdev/mbx/mbxfb.c
> @@ -899,10 +899,8 @@ static int mbxfb_probe(struct platform_d
> }
>
> fbi = framebuffer_alloc(sizeof(struct mbxfb_info), &dev->dev);
> - if (fbi == NULL) {
> - dev_err(&dev->dev, "framebuffer_alloc failed\n");
> + if (!fbi)
> return -ENOMEM;
> - }
>
> mfbi = fbi->par;
> fbi->pseudo_palette = mfbi->pseudo_palette;
> Index: b/drivers/video/fbdev/omap/omapfb_main.c
> ===================================================================
> --- a/drivers/video/fbdev/omap/omapfb_main.c
> +++ b/drivers/video/fbdev/omap/omapfb_main.c
> @@ -1515,8 +1515,6 @@ static int planes_init(struct omapfb_dev
> fbi = framebuffer_alloc(sizeof(struct omapfb_plane_struct),
> fbdev->dev);
> if (fbi == NULL) {
> - dev_err(fbdev->dev,
> - "unable to allocate memory for plane info\n");
> planes_cleanup(fbdev);
> return -ENOMEM;
> }
> Index: b/drivers/video/fbdev/omap2/omapfb/omapfb-main.c
> ===================================================================
> --- a/drivers/video/fbdev/omap2/omapfb/omapfb-main.c
> +++ b/drivers/video/fbdev/omap2/omapfb/omapfb-main.c
> @@ -1892,12 +1892,8 @@ static int omapfb_create_framebuffers(st
>
> fbi = framebuffer_alloc(sizeof(struct omapfb_info),
> fbdev->dev);
> -
> - if (fbi == NULL) {
> - dev_err(fbdev->dev,
> - "unable to allocate memory for plane info\n");
> + if (!fbi)
> return -ENOMEM;
> - }
>
> clear_fb_info(fbi);
>
> Index: b/drivers/video/fbdev/platinumfb.c
> ===================================================================
> --- a/drivers/video/fbdev/platinumfb.c
> +++ b/drivers/video/fbdev/platinumfb.c
> @@ -538,10 +538,9 @@ static int platinumfb_probe(struct platf
> dev_info(&odev->dev, "Found Apple Platinum video hardware\n");
>
> info = framebuffer_alloc(sizeof(*pinfo), &odev->dev);
> - if (info == NULL) {
> - dev_err(&odev->dev, "Failed to allocate fbdev !\n");
> + if (!info)
> return -ENOMEM;
> - }
> +
> pinfo = info->par;
>
> if (of_address_to_resource(dp, 0, &pinfo->rsrc_reg) ||
> Index: b/drivers/video/fbdev/pmag-aa-fb.c
> ===================================================================
> --- a/drivers/video/fbdev/pmag-aa-fb.c
> +++ b/drivers/video/fbdev/pmag-aa-fb.c
> @@ -165,10 +165,8 @@ static int pmagaafb_probe(struct device
> int err;
>
> info = framebuffer_alloc(sizeof(struct aafb_par), dev);
> - if (!info) {
> - printk(KERN_ERR "%s: Cannot allocate memory\n", dev_name(dev));
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> dev_set_drvdata(dev, info);
> Index: b/drivers/video/fbdev/pmag-ba-fb.c
> ===================================================================
> --- a/drivers/video/fbdev/pmag-ba-fb.c
> +++ b/drivers/video/fbdev/pmag-ba-fb.c
> @@ -150,10 +150,8 @@ static int pmagbafb_probe(struct device
> int err;
>
> info = framebuffer_alloc(sizeof(struct pmagbafb_par), dev);
> - if (!info) {
> - printk(KERN_ERR "%s: Cannot allocate memory\n", dev_name(dev));
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> dev_set_drvdata(dev, info);
> Index: b/drivers/video/fbdev/pmagb-b-fb.c
> ===================================================================
> --- a/drivers/video/fbdev/pmagb-b-fb.c
> +++ b/drivers/video/fbdev/pmagb-b-fb.c
> @@ -257,10 +257,8 @@ static int pmagbbfb_probe(struct device
> int err;
>
> info = framebuffer_alloc(sizeof(struct pmagbbfb_par), dev);
> - if (!info) {
> - printk(KERN_ERR "%s: Cannot allocate memory\n", dev_name(dev));
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> dev_set_drvdata(dev, info);
> Index: b/drivers/video/fbdev/pvr2fb.c
> ===================================================================
> --- a/drivers/video/fbdev/pvr2fb.c
> +++ b/drivers/video/fbdev/pvr2fb.c
> @@ -1069,12 +1069,8 @@ static int __init pvr2fb_init(void)
> #endif
>
> fb_info = framebuffer_alloc(sizeof(struct pvr2fb_par), NULL);
> -
> - if (!fb_info) {
> - printk(KERN_ERR "Failed to allocate memory for fb_info\n");
> + if (!fb_info)
> return -ENOMEM;
> - }
> -
>
> currentpar = fb_info->par;
>
> Index: b/drivers/video/fbdev/riva/fbdev.c
> ===================================================================
> --- a/drivers/video/fbdev/riva/fbdev.c
> +++ b/drivers/video/fbdev/riva/fbdev.c
> @@ -1902,7 +1902,6 @@ static int rivafb_probe(struct pci_dev *
>
> info = framebuffer_alloc(sizeof(struct riva_par), &pd->dev);
> if (!info) {
> - printk (KERN_ERR PFX "could not allocate memory\n");
> ret = -ENOMEM;
> goto err_ret;
> }
> Index: b/drivers/video/fbdev/s3c-fb.c
> ===================================================================
> --- a/drivers/video/fbdev/s3c-fb.c
> +++ b/drivers/video/fbdev/s3c-fb.c
> @@ -1189,10 +1189,8 @@ static int s3c_fb_probe_win(struct s3c_f
>
> fbinfo = framebuffer_alloc(sizeof(struct s3c_fb_win) +
> palette_size * sizeof(u32), sfb->dev);
> - if (!fbinfo) {
> - dev_err(sfb->dev, "failed to allocate framebuffer\n");
> + if (!fbinfo)
> return -ENOMEM;
> - }
>
> windata = sfb->pdata->win[win_no];
> initmode = *sfb->pdata->vtiming;
> Index: b/drivers/video/fbdev/s3fb.c
> ===================================================================
> --- a/drivers/video/fbdev/s3fb.c
> +++ b/drivers/video/fbdev/s3fb.c
> @@ -1128,10 +1128,8 @@ static int s3_pci_probe(struct pci_dev *
>
> /* Allocate and fill driver data structure */
> info = framebuffer_alloc(sizeof(struct s3fb_info), &(dev->dev));
> - if (!info) {
> - dev_err(&(dev->dev), "cannot allocate memory\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> mutex_init(&par->open_lock);
> Index: b/drivers/video/fbdev/sh_mobile_lcdcfb.c
> ===================================================================
> --- a/drivers/video/fbdev/sh_mobile_lcdcfb.c
> +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c
> @@ -1644,10 +1644,8 @@ sh_mobile_lcdc_overlay_fb_init(struct sh
>
> /* Allocate and initialize the frame buffer device. */
> info = framebuffer_alloc(0, priv->dev);
> - if (info == NULL) {
> - dev_err(priv->dev, "unable to allocate fb_info\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> ovl->info = info;
>
> @@ -2138,10 +2136,8 @@ sh_mobile_lcdc_channel_fb_init(struct sh
> * list and allocate the color map.
> */
> info = framebuffer_alloc(0, priv->dev);
> - if (info == NULL) {
> - dev_err(priv->dev, "unable to allocate fb_info\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> ch->info = info;
>
> Index: b/drivers/video/fbdev/sm501fb.c
> ===================================================================
> --- a/drivers/video/fbdev/sm501fb.c
> +++ b/drivers/video/fbdev/sm501fb.c
> @@ -1868,10 +1868,8 @@ static int sm501fb_probe_one(struct sm50
> }
>
> fbi = framebuffer_alloc(sizeof(struct sm501fb_par), info->dev);
> - if (fbi == NULL) {
> - dev_err(info->dev, "cannot allocate %s framebuffer\n", name);
> + if (!fbi)
> return -ENOMEM;
> - }
>
> par = fbi->par;
> par->info = info;
> Index: b/drivers/video/fbdev/sm712fb.c
> ===================================================================
> --- a/drivers/video/fbdev/sm712fb.c
> +++ b/drivers/video/fbdev/sm712fb.c
> @@ -1538,7 +1538,6 @@ static int smtcfb_pci_probe(struct pci_d
>
> info = framebuffer_alloc(sizeof(*sfb), &pdev->dev);
> if (!info) {
> - dev_err(&pdev->dev, "framebuffer_alloc failed\n");
> err = -ENOMEM;
> goto failed_free;
> }
> Index: b/drivers/video/fbdev/smscufx.c
> ===================================================================
> --- a/drivers/video/fbdev/smscufx.c
> +++ b/drivers/video/fbdev/smscufx.c
> @@ -1653,10 +1653,8 @@ static int ufx_usb_probe(struct usb_inte
>
> /* allocates framebuffer driver structure, not framebuffer memory */
> info = framebuffer_alloc(0, &usbdev->dev);
> - if (!info) {
> - dev_err(dev->gdev, "framebuffer_alloc failed\n");
> + if (!info)
> goto e_nomem;
> - }
>
> dev->info = info;
> info->par = dev;
> Index: b/drivers/video/fbdev/ssd1307fb.c
> ===================================================================
> --- a/drivers/video/fbdev/ssd1307fb.c
> +++ b/drivers/video/fbdev/ssd1307fb.c
> @@ -556,10 +556,8 @@ static int ssd1307fb_probe(struct i2c_cl
> }
>
> info = framebuffer_alloc(sizeof(struct ssd1307fb_par), &client->dev);
> - if (!info) {
> - dev_err(&client->dev, "Couldn't allocate framebuffer.\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> par->info = info;
> Index: b/drivers/video/fbdev/sunxvr1000.c
> ===================================================================
> --- a/drivers/video/fbdev/sunxvr1000.c
> +++ b/drivers/video/fbdev/sunxvr1000.c
> @@ -121,7 +121,6 @@ static int gfb_probe(struct platform_dev
>
> info = framebuffer_alloc(sizeof(struct gfb_info), &op->dev);
> if (!info) {
> - printk(KERN_ERR "gfb: Cannot allocate fb_info\n");
> err = -ENOMEM;
> goto err_out;
> }
> Index: b/drivers/video/fbdev/sunxvr2500.c
> ===================================================================
> --- a/drivers/video/fbdev/sunxvr2500.c
> +++ b/drivers/video/fbdev/sunxvr2500.c
> @@ -132,7 +132,6 @@ static int s3d_pci_register(struct pci_d
>
> info = framebuffer_alloc(sizeof(struct s3d_info), &pdev->dev);
> if (!info) {
> - printk(KERN_ERR "s3d: Cannot allocate fb_info\n");
> err = -ENOMEM;
> goto err_disable;
> }
> Index: b/drivers/video/fbdev/sunxvr500.c
> ===================================================================
> --- a/drivers/video/fbdev/sunxvr500.c
> +++ b/drivers/video/fbdev/sunxvr500.c
> @@ -272,7 +272,6 @@ static int e3d_pci_register(struct pci_d
>
> info = framebuffer_alloc(sizeof(struct e3d_info), &pdev->dev);
> if (!info) {
> - printk(KERN_ERR "e3d: Cannot allocate fb_info\n");
> err = -ENOMEM;
> goto err_disable;
> }
> Index: b/drivers/video/fbdev/tgafb.c
> ===================================================================
> --- a/drivers/video/fbdev/tgafb.c
> +++ b/drivers/video/fbdev/tgafb.c
> @@ -1416,10 +1416,8 @@ static int tgafb_register(struct device
>
> /* Allocate the fb and par structures. */
> info = framebuffer_alloc(sizeof(struct tga_par), dev);
> - if (!info) {
> - printk(KERN_ERR "tgafb: Cannot allocate memory\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> dev_set_drvdata(dev, info);
> Index: b/drivers/video/fbdev/udlfb.c
> ===================================================================
> --- a/drivers/video/fbdev/udlfb.c
> +++ b/drivers/video/fbdev/udlfb.c
> @@ -1689,10 +1689,8 @@ static int dlfb_usb_probe(struct usb_int
>
> /* allocates framebuffer driver structure, not framebuffer memory */
> info = framebuffer_alloc(0, &dlfb->udev->dev);
> - if (!info) {
> - dev_err(&dlfb->udev->dev, "framebuffer_alloc failed\n");
> + if (!info)
> goto error;
> - }
>
> dlfb->info = info;
> info->par = dlfb;
> Index: b/drivers/video/fbdev/via/viafbdev.c
> ===================================================================
> --- a/drivers/video/fbdev/via/viafbdev.c
> +++ b/drivers/video/fbdev/via/viafbdev.c
> @@ -1756,10 +1756,8 @@ int via_fb_pci_probe(struct viafb_dev *v
> viafbinfo = framebuffer_alloc(viafb_par_length +
> ALIGN(sizeof(struct viafb_shared), BITS_PER_LONG/8),
> &vdev->pdev->dev);
> - if (!viafbinfo) {
> - printk(KERN_ERR"Could not allocate memory for viafb_info.\n");
> + if (!viafbinfo)
> return -ENOMEM;
> - }
>
> viaparinfo = (struct viafb_par *)viafbinfo->par;
> viaparinfo->shared = viafbinfo->par + viafb_par_length;
> @@ -1834,8 +1832,6 @@ int via_fb_pci_probe(struct viafb_dev *v
> viafbinfo1 = framebuffer_alloc(viafb_par_length,
> &vdev->pdev->dev);
> if (!viafbinfo1) {
> - printk(KERN_ERR
> - "allocate the second framebuffer struct error\n");
> rc = -ENOMEM;
> goto out_fb_release;
> }
> Index: b/drivers/video/fbdev/vt8623fb.c
> ===================================================================
> --- a/drivers/video/fbdev/vt8623fb.c
> +++ b/drivers/video/fbdev/vt8623fb.c
> @@ -669,10 +669,8 @@ static int vt8623_pci_probe(struct pci_d
>
> /* Allocate and fill driver data structure */
> info = framebuffer_alloc(sizeof(struct vt8623fb_info), &(dev->dev));
> - if (! info) {
> - dev_err(&(dev->dev), "cannot allocate memory\n");
> + if (!info)
> return -ENOMEM;
> - }
>
> par = info->par;
> mutex_init(&par->open_lock);

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