From: Aman Gupta <a...@tmm1.net>
Signed-off-by: Aman Gupta <a...@tmm1.net>
---
libavcodec/v4l2_context.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/libavcodec/v4l2_context.c b/libavcodec/v4l2_context.c
index efcb0426e4..4958c634bf 100644
--- a/libavcodec/v4l2_context.c
+++ b/libavcodec/v4l2_context.c
@@ -678,8 +678,10 @@ int ff_v4l2_context_init(V4L2Context* ctx)
req.memory = V4L2_MEMORY_MMAP;
req.type = ctx->type;
ret = ioctl(s->fd, VIDIOC_REQBUFS, &req);
- if (ret < 0)
+ if (ret < 0) {
+ av_log(logger(ctx), AV_LOG_ERROR, "%s VIDIOC_REQBUFS failed: %s\n",
ctx->name, strerror(errno));
return AVERROR(errno);
+ }
ctx->num_buffers = req.count;
ctx->buffers = av_mallocz(ctx->num_buffers * sizeof(V4L2Buffer));
--
2.20.1
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