* [patch] dsbr100: add few lost mutex locks
@ 2009-02-08 13:28 Alexey Klimov
0 siblings, 0 replies; only message in thread
From: Alexey Klimov @ 2009-02-08 13:28 UTC (permalink / raw)
To: Douglas Schilling Landgraf; +Cc: linux-media
Patch adds two lost mutex locks.
Signed-off-by: Alexey Klimov <klimov.linux@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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2009-02-08 13:28 [patch] dsbr100: add few lost mutex locks Alexey Klimov
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