Patch adds two lost mutex locks.

Signed-off-by: Alexey Klimov <klimov.li...@gmail.com>

--
diff -r 71e5a36634ea linux/drivers/media/radio/dsbr100.c
--- a/linux/drivers/media/radio/dsbr100.c       Mon Feb 02 10:33:31 2009 +0100
+++ b/linux/drivers/media/radio/dsbr100.c       Sun Feb 08 16:24:34 2009 +0300
@@ -455,7 +455,10 @@
        if (radio->removed)
                return -EIO;
 
+       mutex_lock(&radio->lock);
        radio->curfreq = f->frequency;
+       mutex_unlock(&radio->lock);
+
        retval = dsbr100_setfreq(radio, radio->curfreq);
        if (retval < 0)
                dev_warn(&radio->usbdev->dev, "Set frequency failed\n");
@@ -606,7 +609,10 @@
        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) {



-- 
Best regards, Klimov Alexey

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