arm: if we get into work_pending while returning to kernel mode, just go away
authorAl Viro <viro@zeniv.linux.org.uk>
Sat, 28 Apr 2012 21:51:42 +0000 (17:51 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Mon, 21 May 2012 18:38:24 +0000 (14:38 -0400)
commit21c1176a72bd019d513b26e05d491a31b50b18d2
treef4b17999ea482335f50c2b7e5c2f8f5e9636fcba
parentd9be5ea6f9b6a51535ccdd9881ffb3be2dbd48e9
arm: if we get into work_pending while returning to kernel mode, just go away

checking in do_signal() is pointless - if we get there with !user_mode(regs)
(and we might), we'll end up looping indefinitely.  Check in work_pending
and break out of the loop if so.

Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
arch/arm/kernel/entry-common.S
arch/arm/kernel/signal.c