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[media] v4l: vb2: fix error return code in __vb2_init_fileio()

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Fix to return -EINVAL in the get kernel address error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Wei Yongjun 2013-05-13 01:48:45 -03:00 committed by Mauro Carvalho Chehab
parent 99119595d9
commit 5dd6946c41
1 changed files with 3 additions and 1 deletions
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4
drivers/media/v4l2-core/videobuf2-core.c
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@ -2193,8 +2193,10 @@ static int __vb2_init_fileio(struct vb2_queue *q, int read)
*/
for (i = 0; i < q->num_buffers; i++) {
fileio->bufs[i].vaddr = vb2_plane_vaddr(q->bufs[i], 0);
if (fileio->bufs[i].vaddr == NULL)
if (fileio->bufs[i].vaddr == NULL) {
ret = -EINVAL;
goto err_reqbufs;
}
fileio->bufs[i].size = vb2_plane_size(q->bufs[i], 0);
}