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video:uvesafb: check the return value of kzalloc

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Michal maybe forgot it merely, we should add code
to check the return value of kzalloc to make the
code more robust.

Signed-off-by: Wang YanQing <udknight@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Wang YanQing 2012-08-13 18:02:32 +08:00 committed by Florian Tobias Schandinat
parent bada55371f
commit 7ed2586747
1 changed files with 2 additions and 0 deletions
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2
drivers/video/uvesafb.c
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@ -659,6 +659,8 @@ static int __devinit uvesafb_vbe_getedid(struct uvesafb_ktask *task,
task->t.flags = TF_BUF_RET | TF_BUF_ESDI;
task->t.buf_len = EDID_LENGTH;
task->buf = kzalloc(EDID_LENGTH, GFP_KERNEL);
if (!task->buf)
return -ENOMEM;
err = uvesafb_exec(task);