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-rw-r--r--drivers/media/video/em28xx/em28xx-video.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index d6ada6226b5..d3485f500c5 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -947,6 +947,12 @@ static int vidioc_s_fmt_cap(struct file *file, void *priv,
goto out;
}
+ if (dev->stream_on && !fh->stream_on) {
+ em28xx_errdev("%s device in use by another fh\n", __func__);
+ rc = -EBUSY;
+ goto out;
+ }
+
/* set new image size */
dev->width = f->fmt.pix.width;
dev->height = f->fmt.pix.height;