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path: root/drivers/media/video/saa5246a.c
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Diffstat (limited to 'drivers/media/video/saa5246a.c')
-rw-r--r--drivers/media/video/saa5246a.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/media/video/saa5246a.c b/drivers/media/video/saa5246a.c
index 6ee63e69b36c..e2c538ee88f2 100644
--- a/drivers/media/video/saa5246a.c
+++ b/drivers/media/video/saa5246a.c
@@ -44,6 +44,7 @@
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/videotext.h>
+#include <linux/smp_lock.h>
#include <linux/videodev.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
@@ -737,9 +738,12 @@ static int saa5246a_open(struct inode *inode, struct file *file)
struct saa5246a_device *t = vd->priv;
int err;
+ lock_kernel();
err = video_exclusive_open(inode,file);
- if (err < 0)
+ if (err < 0) {
+ unlock_kernel();
return err;
+ }
if (t->client==NULL) {
err = -ENODEV;
@@ -776,11 +780,13 @@ static int saa5246a_open(struct inode *inode, struct file *file)
err = -EIO;
goto fail;
}
+ unlock_kernel();
return 0;
fail:
video_exclusive_release(inode,file);
+ unlock_kernel();
return err;
}