From 8c61fc8592d1e6e1254f406b14548ede8389fae5 Mon Sep 17 00:00:00 2001 From: Lars-Peter Clausen <lars@metafoo.de> Date: Sat, 1 Aug 2009 13:35:17 +0000 Subject: [PATCH] fix patch SVN-Revision: 17079 --- ...0-fix-race-in-snd_soc_jack_add_gpios.patch | 44 ++++++++----------- 1 file changed, 18 insertions(+), 26 deletions(-) diff --git a/target/linux/generic-2.6/patches-2.6.30/780-fix-race-in-snd_soc_jack_add_gpios.patch b/target/linux/generic-2.6/patches-2.6.30/780-fix-race-in-snd_soc_jack_add_gpios.patch index 4185a8cb75e..068d850ef0e 100644 --- a/target/linux/generic-2.6/patches-2.6.30/780-fix-race-in-snd_soc_jack_add_gpios.patch +++ b/target/linux/generic-2.6/patches-2.6.30/780-fix-race-in-snd_soc_jack_add_gpios.patch @@ -1,24 +1,19 @@ -From d8d0421cddc6ecdec166612d914b8edbcdb96ed0 Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen <lars@metafoo.de> -Date: Fri, 31 Jul 2009 20:33:31 +0200 -Subject: [PATCH] ASoC: jack: Fix race in snd_soc_jack_add_gpios +commit 5ced436d549d911ce610ea47d85f71fae5bbfce4 +Author: Lars-Peter Clausen <lars@metafoo.de> +Date: Fri Jul 31 18:26:48 2009 +0200 -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> ---- -The patch is against alsa-kernel/master but I guess something similar should also -go into 2.6.31. - - sound/soc/soc-jack.c | 6 +++--- - 1 files changed, 3 insertions(+), 3 deletions(-) + 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> diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c -index 4aa7d8f..1d455ab 100644 +index 28346fb..639333a 100644 --- a/sound/soc/soc-jack.c +++ b/sound/soc/soc-jack.c -@@ -221,6 +221,9 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, +@@ -220,6 +220,9 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, if (ret) goto err; @@ -28,16 +23,13 @@ index 4aa7d8f..1d455ab 100644 ret = request_irq(gpio_to_irq(gpios[i].gpio), gpio_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, -@@ -234,9 +237,6 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, - gpio_export(gpios[i].gpio, false); - #endif - +@@ -227,9 +230,6 @@ int snd_soc_jack_add_gpios(struct snd_soc_jack *jack, int count, + &gpios[i]); + if (ret) + goto err; +- - INIT_WORK(&gpios[i].work, gpio_work); - gpios[i].jack = jack; -- - /* Update initial jack status */ - snd_soc_jack_gpio_detect(&gpios[i]); } --- -1.5.6.5 - + + return 0;