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SOUND: fix race in device_create
authorGreg Kroah-Hartman <gregkh@suse.de>
Sat, 17 May 2008 00:55:12 +0000 (17:55 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 20 May 2008 20:31:55 +0000 (13:31 -0700)
commit5d99a8b814abd76e89ef2cf90e29bbb879d6d66c
tree6ff4df159debb0e990f6ff1eabdf12ff8c4b0ce2tree
parent43691da4cefcf0d0dd6432f9e7e0dba902b59597commit | diff
SOUND: fix race in device_create

There is a race from when a device is created with device_create() and
then the drvdata is set with a call to dev_set_drvdata() in which a
sysfs file could be open, yet the drvdata will be NULL, causing all
sorts of bad things to happen.

This patch fixes the problem by using the new function,
device_create_drvdata().

Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
sound/core/sound.c diff | blob | history
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