A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 11:41:38 -04:00
Code Issues Projects Releases Packages Wiki Activity

usb: otg: nop: fix oops triggered by otg_register_notifier

Browse source 
This patch adds BLOCKING_INIT_NOTIFIER_HEAD in nop_usb_xceiv_probe,
so that we can avoid oops caused by uninitialized
nop->otg.notifier.rwsem which will be touched in otg_register_notifier
path.

Reported-by: Gupta, Ajay Kumar <[email protected]>
Tested-by: Gupta, Ajay Kumar <[email protected]>
Cc: Balbi, Felipe <[email protected]>
Cc: David Brownell <[email protected]>
Signed-off-by: Ming Lei <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Ming Lei 2011-01-04 20:21:32 +08:00 • committed by Greg Kroah-Hartman
commit 20831ad239
1 changed files with 2 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

2
drivers/usb/otg/nop-usb-xceiv.c
View file

@ -132,6 +132,8 @@ static int __devinit nop_usb_xceiv_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, nop);
BLOCKING_INIT_NOTIFIER_HEAD(&nop->otg.notifier);
return 0;
exit:
kfree(nop);