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

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Hello,

On 2013-05-13 07:48, Wei Yongjun wrote:
From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxxxx>

Acked-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>

---
  drivers/media/v4l2-core/videobuf2-core.c | 4 +++-
  1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 7d833ee..7bd3ee6 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -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);
  	}


Best regards
--
Marek Szyprowski
Samsung Poland R&D Center


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