diff mbox

[media] vpif_capture: fix return value check in vpif_reqbufs()

Message ID CAPgLHd_uUAjFNd=hn0rbgqcqG9dOz+DMYmdZs12uHtP5yFLvQg@mail.gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wei Yongjun Oct. 24, 2012, 11:29 a.m. UTC 
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

In case of error, the function vb2_dma_contig_init_ctx() returns
ERR_PTR() and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
 drivers/media/platform/davinci/vpif_capture.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)


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diff mbox

Patch

diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index fcabc02..9746324 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -1004,9 +1004,9 @@  static int vpif_reqbufs(struct file *file, void *priv,
 
 	/* Initialize videobuf2 queue as per the buffer type */
 	common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev);
-	if (!common->alloc_ctx) {
+	if (IS_ERR(common->alloc_ctx)) {
 		vpif_err("Failed to get the context\n");
-		return -EINVAL;
+		return PTR_ERR(common->alloc_ctx);
 	}
 	q = &common->buffer_queue;
 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;