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V4L/DVB: drivers/media/video/zoran: Use kmemdup

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Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Julia Lawall 2010-07-01 01:52:33 -03:00 committed by Mauro Carvalho Chehab
parent cd3172d7da
commit 7a12f4b50d
1 changed files with 2 additions and 3 deletions
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5
drivers/media/video/zoran/videocodec.c
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@ -107,15 +107,14 @@ videocodec_attach (struct videocodec_master *master)
if (!try_module_get(h->codec->owner))
return NULL;
codec =
kmalloc(sizeof(struct videocodec), GFP_KERNEL);
codec = kmemdup(h->codec, sizeof(struct videocodec),
GFP_KERNEL);
if (!codec) {
dprintk(1,
KERN_ERR
"videocodec_attach: no mem\n");
goto out_module_put;
}
memcpy(codec, h->codec, sizeof(struct videocodec));
snprintf(codec->name, sizeof(codec->name),
"%s[%d]", codec->name, h->attached);