From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Wed, 1 Feb 2006 11:05:58 +0000 (-0800)
Subject: [PATCH] powerpc: Fix sigmask handling in sys_sigsuspend.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4a41cdf9788f14bb120ad06d9ce17ca05fd72f03;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[PATCH] powerpc: Fix sigmask handling in sys_sigsuspend.

Better save the sigmask instead of throwing it away so it can be restored.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 3747ab0dac3f..c6d0595da6b5 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -254,11 +254,9 @@ int do_signal(sigset_t *oldset, struct pt_regs *regs);
  */
 long sys_sigsuspend(old_sigset_t mask)
 {
-	sigset_t saveset;
-
 	mask &= _BLOCKABLE;
 	spin_lock_irq(&current->sighand->siglock);
-	saveset = current->blocked;
+	current->saved_sigmask = current->blocked;
 	siginitset(&current->blocked, mask);
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);