X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fmedia%2Fradio%2Fradio-aimslab.c;h=b657c7bb47cc885c18359995ccd2b4b3f8d80a44;hb=3ca685aae04960eaa8b2c97baf384996c20cf9ac;hp=1f064f4b32df6945c0d20262471784ddb94f7204;hpb=64f996f670e9477072a43b226294ea1cc153f6ac;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/media/radio/radio-aimslab.c b/drivers/media/radio/radio-aimslab.c
index 1f064f4b32d..b657c7bb47c 100644
--- a/drivers/media/radio/radio-aimslab.c
+++ b/drivers/media/radio/radio-aimslab.c
@@ -51,6 +51,7 @@ static struct mutex lock;
 
 struct rt_device
 {
+	unsigned long in_use;
 	int port;
 	int curvol;
 	unsigned long curfreq;
@@ -378,10 +379,21 @@ static int vidioc_s_audio(struct file *file, void *priv,
 
 static struct rt_device rtrack_unit;
 
+static int rtrack_exclusive_open(struct inode *inode, struct file *file)
+{
+	return test_and_set_bit(0, &rtrack_unit.in_use) ? -EBUSY : 0;
+}
+
+static int rtrack_exclusive_release(struct inode *inode, struct file *file)
+{
+	clear_bit(0, &rtrack_unit.in_use);
+	return 0;
+}
+
 static const struct file_operations rtrack_fops = {
 	.owner		= THIS_MODULE,
-	.open           = video_exclusive_open,
-	.release        = video_exclusive_release,
+	.open           = rtrack_exclusive_open,
+	.release        = rtrack_exclusive_release,
 	.ioctl		= video_ioctl2,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl	= v4l_compat_ioctl32,