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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-06-26 20:42:58 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-06-26 20:42:58 +0000
commitc5552ad03973839d83d32d7108f20c00f192633b (patch)
treede32e4def600e56134cd085a7447cb6620542078 /target/linux/generic/patches-2.6.31/780-fix-race-in-snd_soc_jack_add_gpios.patch
parent7ec88f88f4c65a22b3b7e32ef87cb42dcb32a6fb (diff)
rename target/linux/generic-2.6 to generic
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21952 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-2.6.31/780-fix-race-in-snd_soc_jack_add_gpios.patch')
-rw-r--r--target/linux/generic/patches-2.6.31/780-fix-race-in-snd_soc_jack_add_gpios.patch33
1 files changed, 33 insertions, 0 deletions
diff --git a/target/linux/generic/patches-2.6.31/780-fix-race-in-snd_soc_jack_add_gpios.patch b/target/linux/generic/patches-2.6.31/780-fix-race-in-snd_soc_jack_add_gpios.patch
new file mode 100644
index 000000000..b7214b9d6
--- /dev/null
+++ b/target/linux/generic/patches-2.6.31/780-fix-race-in-snd_soc_jack_add_gpios.patch
@@ -0,0 +1,33 @@
+commit 5ced436d549d911ce610ea47d85f71fae5bbfce4
+Author: Lars-Peter Clausen <lars@metafoo.de>
+Date: Fri Jul 31 18:26:48 2009 +0200
+
+ ASoC: jack: Fix race in snd_soc_jack_add_gpios
+
+ The irq can fire as soon as it has been requested, thus all fields accessed
+ from within the irq handler must be initialized prior to requesting the irq.
+
+ Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
+
+--- a/sound/soc/soc-jack.c
++++ b/sound/soc/soc-jack.c
+@@ -220,6 +220,9 @@ int snd_soc_jack_add_gpios(struct snd_so
+ if (ret)
+ goto err;
+
++ INIT_WORK(&gpios[i].work, gpio_work);
++ gpios[i].jack = jack;
++
+ ret = request_irq(gpio_to_irq(gpios[i].gpio),
+ gpio_handler,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+@@ -227,9 +230,6 @@ int snd_soc_jack_add_gpios(struct snd_so
+ &gpios[i]);
+ if (ret)
+ goto err;
+-
+- INIT_WORK(&gpios[i].work, gpio_work);
+- gpios[i].jack = jack;
+ }
+
+ return 0;