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| author | Arnd Bergmann <arnd@arndb.de> | 2012-07-11 12:50:20 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-07-11 12:50:20 +0200 |
| commit | 0dc19510430b20b3b2d6d1b9b796fd42fa2af64a (patch) | |
| tree | a512cf400d74d72272ce6cf5c4d782538213d433 /drivers/media/video/vivi.c | |
| parent | b52a2c472d7fcf215e31dffdd382651e1b99f138 (diff) | |
| parent | bd0a521e88aa7a06ae7aabaed7ae196ed4ad867a (diff) | |
Merge tag 'v3.5-rc6' into next/soc
Linux 3.5-rc6
Dependency for imx/soc changes
Diffstat (limited to 'drivers/media/video/vivi.c')
| -rw-r--r-- | drivers/media/video/vivi.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 0960d7f0d39..08c10240e70 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -1149,10 +1149,14 @@ static ssize_t vivi_read(struct file *file, char __user *data, size_t count, loff_t *ppos) { struct vivi_dev *dev = video_drvdata(file); + int err; dprintk(dev, 1, "read called\n"); - return vb2_read(&dev->vb_vidq, data, count, ppos, + mutex_lock(&dev->mutex); + err = vb2_read(&dev->vb_vidq, data, count, ppos, file->f_flags & O_NONBLOCK); + mutex_unlock(&dev->mutex); + return err; } static unsigned int |