[PATCH RFT/RFC 30/49] staging: media: zoran: use devm for videocodec_master alloc

From: Corentin Labbe
Date: Mon Sep 21 2020 - 06:22:42 EST


Let's use devm allocations for videocodec, this simplify code.

Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx>
---
drivers/staging/media/zoran/zoran_card.c | 22 +++++-----------------
1 file changed, 5 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/media/zoran/zoran_card.c b/drivers/staging/media/zoran/zoran_card.c
index 62e63804ae14..756b9a339f7e 100644
--- a/drivers/staging/media/zoran/zoran_card.c
+++ b/drivers/staging/media/zoran/zoran_card.c
@@ -989,18 +989,10 @@ static void zoran_remove(struct pci_dev *pdev)
goto exit_free;

/* unregister videocodec bus */
- if (zr->codec) {
- struct videocodec_master *master = zr->codec->master_data;
-
+ if (zr->codec)
videocodec_detach(zr->codec);
- kfree(master);
- }
- if (zr->vfe) {
- struct videocodec_master *master = zr->vfe->master_data;
-
+ if (zr->vfe)
videocodec_detach(zr->vfe);
- kfree(master);
- }

/* unregister i2c bus */
zoran_unregister_i2c(zr);
@@ -1028,7 +1020,7 @@ static struct videocodec_master *zoran_setup_videocodec(struct zoran *zr, int ty
{
struct videocodec_master *m = NULL;

- m = kmalloc(sizeof(*m), GFP_KERNEL);
+ m = devm_kmalloc(&zr->pci_dev->dev, sizeof(*m), GFP_KERNEL);
if (!m)
return m;

@@ -1234,7 +1226,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
zr->codec = videocodec_attach(master_codec);
if (!zr->codec) {
pci_err(pdev, "%s - no codec found\n", __func__);
- goto zr_free_codec;
+ goto zr_unreg_i2c;
}
if (zr->codec->type != zr->card.video_codec) {
pci_err(pdev, "%s - wrong codec\n", __func__);
@@ -1248,7 +1240,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
zr->vfe = videocodec_attach(master_vfe);
if (!zr->vfe) {
pci_err(pdev, "%s - no VFE found\n", __func__);
- goto zr_free_vfe;
+ goto zr_detach_codec;
}
if (zr->vfe->type != zr->card.video_vfe) {
pci_err(pdev, "%s = wrong VFE\n", __func__);
@@ -1269,12 +1261,8 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)

zr_detach_vfe:
videocodec_detach(zr->vfe);
-zr_free_vfe:
- kfree(master_vfe);
zr_detach_codec:
videocodec_detach(zr->codec);
-zr_free_codec:
- kfree(master_codec);
zr_unreg_i2c:
zoran_unregister_i2c(zr);
zr_free_irq:
--
2.26.2