commit ff51feea2e717723d874b3be72a066373d05f3ea
author Al Viro <viro@zeniv.linux.org.uk> Sat Apr 28 17:51:42 2012 -0400
committer chrmhoffmann <chrmhoffmann@gmail.com> Sun Apr 05 10:22:15 2020 +0200
tree bbac9b35576afcde2389511fdcc109abfe18739b
parent 2cad93a6562c0dfe0e9095c5c2635e0b1d30e1ea

UPSTREAM: arm: if we get into work_pending while returning to kernel mode, just go away

(cherry pick from commit 21c1176a72bd019d513b26e05d491a31b50b18d2)

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>
Bug: 9674955
Bug: 25773781
Change-Id: Ia99f8631f2c4edb81bbd8f0af9a0a31614bc4c74