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(parent: 57e4f04) | patch
USB: fix autosuspend race in skeleton driver
authorOliver Neukum <oneukum@suse.de>
Thu, 8 Feb 2007 14:42:53 +0000 (15:42 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 16 Feb 2007 23:32:19 +0000 (15:32 -0800)
commit5b06470816fb5e658e81db2a55b530ff2ba711c9
treef43ea87c2808916a5f9f27238d82fd4481383cf2tree | snapshot (tar.gz zip)
parent57e4f041bfffa191a318dab44eb991d79a6a9d5ccommit | diff
USB: fix autosuspend race in skeleton driver

as the skeleton driver was made ready for autosuspend a race condition
was introduced. The reference to get device must be gotten before the
autosuspend counter is upped, as this operation may sleep, dropping BKL.
Dropping BKL means that the pointer to the device may become invalid.
Here's the fix.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/usb-skeleton.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)