[review,1/4] dsbr100: remove radio->users counter

Commit Message

Alexey Klimov May 28, 2009, 8:44 p.m. UTC

Patch removes radio->users counter because it is not in use.

Signed-off-by: Alexey Klimov <[e-mail]>

--

Patch

diff -r 315bc4b65b4f linux/drivers/media/radio/dsbr100.c
--- a/linux/drivers/media/radio/dsbr100.c	Sun May 17 12:28:55 2009 +0000
+++ b/linux/drivers/media/radio/dsbr100.c	Tue May 19 15:05:02 2009 +0400
@@ -146,7 +146,6 @@ 
 	struct mutex lock;	/* buffer locking */
 	int curfreq;
 	int stereo;
-	int users;
 	int removed;
 	int muted;
 };
@@ -552,14 +551,12 @@ 
 	int retval;
 
 	lock_kernel();
-	radio->users = 1;
 	radio->muted = 1;
 
 	retval = dsbr100_start(radio);
 	if (retval < 0) {
 		dev_warn(&radio->usbdev->dev,
 			 "Radio did not start up properly\n");
-		radio->users = 0;
 		unlock_kernel();
 		return -EIO;
 	}
@@ -581,10 +578,6 @@ 
 	if (!radio)
 		return -ENODEV;
 
-	mutex_lock(&radio->lock);
-	radio->users = 0;
-	mutex_unlock(&radio->lock);
-
 	if (!radio->removed) {
 		retval = dsbr100_stop(radio);
 		if (retval < 0) {
@@ -698,7 +691,6 @@ 
 	mutex_init(&radio->lock);
 
 	radio->removed = 0;
-	radio->users = 0;
 	radio->usbdev = interface_to_usbdev(intf);
 	radio->curfreq = FREQ_MIN * FREQ_MUL;