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

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;

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