Re: [PATCH] drivers: video: Remove useless checks
From: Maxin B John
Date: Fri Jun 03 2011 - 05:29:54 EST
ping ...
On Thu, May 19, 2011 at 7:27 PM, Maxin B John <maxin.john@xxxxxxxxx> wrote:
> Comparing unsigned less than zero will never be true.
> Removing similar checks from 'fbmem.c' and 'fbcmap.c'.
>
> Please let me know your comments.
>
> Signed-off-by: Maxin B. John <maxin.john@xxxxxxxxx>
> ---
> diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c
> index 5c3960d..15cf8fc 100644
> --- a/drivers/video/fbcmap.c
> +++ b/drivers/video/fbcmap.c
> @@ -285,8 +285,7 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info)
> rc = -ENODEV;
> goto out;
> }
> - if (cmap->start < 0 || (!info->fbops->fb_setcolreg &&
> - !info->fbops->fb_setcmap)) {
> + if (!info->fbops->fb_setcolreg && !info->fbops->fb_setcmap) {
> rc = -EINVAL;
> goto out1;
> }
> diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
> index 5aac00e..9edca4d 100644
> --- a/drivers/video/fbmem.c
> +++ b/drivers/video/fbmem.c
> @@ -1143,7 +1143,7 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd,
> return -EFAULT;
> if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES)
> return -EINVAL;
> - if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX)
> + if (con2fb.framebuffer >= FB_MAX)
> return -EINVAL;
> if (!registered_fb[con2fb.framebuffer])
> request_module("fb%d", con2fb.framebuffer);
>
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