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git://projects.qi-hardware.com/openwrt-xburst.git
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3bd9c56bd2
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17093 3c298f89-4303-0410-b956-a3cf2f4a3e73
34 lines
930 B
Diff
34 lines
930 B
Diff
commit 5ced436d549d911ce610ea47d85f71fae5bbfce4
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Author: Lars-Peter Clausen <lars@metafoo.de>
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Date: Fri Jul 31 18:26:48 2009 +0200
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ASoC: jack: Fix race in snd_soc_jack_add_gpios
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The irq can fire as soon as it has been requested, thus all fields accessed
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from within the irq handler must be initialized prior to requesting the irq.
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Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
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--- a/sound/soc/soc-jack.c
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+++ b/sound/soc/soc-jack.c
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@@ -220,6 +220,9 @@ int snd_soc_jack_add_gpios(struct snd_so
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if (ret)
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goto err;
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+ INIT_WORK(&gpios[i].work, gpio_work);
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+ gpios[i].jack = jack;
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+
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ret = request_irq(gpio_to_irq(gpios[i].gpio),
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gpio_handler,
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IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
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@@ -227,9 +230,6 @@ int snd_soc_jack_add_gpios(struct snd_so
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&gpios[i]);
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if (ret)
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goto err;
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-
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- INIT_WORK(&gpios[i].work, gpio_work);
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- gpios[i].jack = jack;
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}
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return 0;
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