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path: root/drivers/media/radio/dsbr100.c
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Diffstat (limited to 'drivers/media/radio/dsbr100.c')
-rw-r--r--drivers/media/radio/dsbr100.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index 70c65a74592..3a4eb444a7c 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -407,15 +407,18 @@ static int usb_dsbr100_open(struct inode *inode, struct file *file)
{
struct dsbr100_device *radio=video_get_drvdata(video_devdata(file));
+ lock_kernel();
radio->users = 1;
radio->muted = 1;
if (dsbr100_start(radio)<0) {
warn("Radio did not start up properly");
radio->users = 0;
+ unlock_kernel();
return -EIO;
}
dsbr100_setfreq(radio, radio->curfreq);
+ unlock_kernel();
return 0;
}