* [3.18-stable] Revert "usb: gadget: inode.c: fix unbalanced spin_lock in ep0_write"
@ 2017-10-17 12:55 Ben Hutchings
2017-10-17 14:15 ` Greg Kroah-Hartman
0 siblings, 1 reply; 2+ messages in thread
From: Ben Hutchings @ 2017-10-17 12:55 UTC (permalink / raw)
To: Greg Kroah-Hartman; +Cc: stable, David Eccher, Felipe Balbi
Please revert commit abb540b53976 ("usb: gadget: inode.c: fix
unbalanced spin_lock in ep0_write") on the 3.18 stable branch. The
upstream commit (b7bd98b7db9f) fixed a bug introduced in 4.0 by commit
96b62a571934 ("gadgetfs: really get rid of switching ->f_op").
Backporting it to older versions introduces a lock unbalance.
Ben.
--
Ben Hutchings
Software Developer, Codethink Ltd.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [3.18-stable] Revert "usb: gadget: inode.c: fix unbalanced spin_lock in ep0_write"
2017-10-17 12:55 [3.18-stable] Revert "usb: gadget: inode.c: fix unbalanced spin_lock in ep0_write" Ben Hutchings
@ 2017-10-17 14:15 ` Greg Kroah-Hartman
0 siblings, 0 replies; 2+ messages in thread
From: Greg Kroah-Hartman @ 2017-10-17 14:15 UTC (permalink / raw)
To: Ben Hutchings; +Cc: stable, David Eccher, Felipe Balbi
On Tue, Oct 17, 2017 at 01:55:58PM +0100, Ben Hutchings wrote:
> Please revert commit abb540b53976 ("usb: gadget: inode.c: fix
> unbalanced spin_lock in ep0_write") on the 3.18 stable branch. The
> upstream commit (b7bd98b7db9f) fixed a bug introduced in 4.0 by commit
> 96b62a571934 ("gadgetfs: really get rid of switching ->f_op").
> Backporting it to older versions introduces a lock unbalance.
Ugh, you are right, this was my fault, and kbuild also complained about
this.
now reverted.
greg k-h
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2017-10-17 12:55 [3.18-stable] Revert "usb: gadget: inode.c: fix unbalanced spin_lock in ep0_write" Ben Hutchings
2017-10-17 14:15 ` Greg Kroah-Hartman
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