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(parent: bfd3a5a) | patch
USB: Core: 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 20:31:56 +0000 (13:31 -0700)
commitc013d040b70bc2bff5465917ebb255a70b650396
tree085b1bdfe377e7d7f90be0e23ead1b951eafc7fbtree | snapshot (tar.gz zip)
parentbfd3a5a96c1dd432303fdf2283e770419f6aecb3commit | diff
USB: Core: 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/core/hcd.c diff | blob | blame | history