diff options
| -rw-r--r-- | drivers/media/video/videobuf2-core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c index ce032255f3ee..8c6f04bc4d89 100644 --- a/drivers/media/video/videobuf2-core.c +++ b/drivers/media/video/videobuf2-core.c @@ -1364,18 +1364,18 @@ unsigned int vb2_poll(struct vb2_queue *q, struct file *file, poll_table *wait) struct vb2_buffer *vb = NULL; /* - * Start file io emulator if streaming api has not been used yet. + * Start file I/O emulator only if streaming API has not been used yet. */ if (q->num_buffers == 0 && q->fileio == NULL) { if (!V4L2_TYPE_IS_OUTPUT(q->type) && (q->io_modes & VB2_READ)) { ret = __vb2_init_fileio(q, 1); if (ret) - return ret; + return POLLERR; } if (V4L2_TYPE_IS_OUTPUT(q->type) && (q->io_modes & VB2_WRITE)) { ret = __vb2_init_fileio(q, 0); if (ret) - return ret; + return POLLERR; /* * Write to OUTPUT queue can be done immediately. */ |