[PATCH 15/18] Drivers: media: Use kmemdup instead of kmalloc + memcpy

From: Benoit Taine
Date: Mon May 26 2014 - 11:20:59 EST


This issue was reported by coccicheck using the semantic patch
at scripts/coccinelle/api/memdup.cocci

Signed-off-by: Benoit Taine <benoit.taine@xxxxxxx>
---
Tested by compilation without errors.

drivers/media/platform/soc_camera/soc_camera.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
index c8549bf..8646c11 100644
--- a/drivers/media/platform/soc_camera/soc_camera.c
+++ b/drivers/media/platform/soc_camera/soc_camera.c
@@ -1346,13 +1346,11 @@ static int soc_camera_i2c_init(struct soc_camera_device *icd,
return -ENODEV;
}

- ssdd = kzalloc(sizeof(*ssdd), GFP_KERNEL);
+ ssdd = kmemdup(&sdesc->subdev_desc, sizeof(*ssdd), GFP_KERNEL);
if (!ssdd) {
ret = -ENOMEM;
goto ealloc;
}
-
- memcpy(ssdd, &sdesc->subdev_desc, sizeof(*ssdd));
/*
* In synchronous case we request regulators ourselves in
* soc_camera_pdrv_probe(), make sure the subdevice driver doesn't try

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