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Message-Id: <1313071035-12047-13-git-send-email-matt@console-pimps.org>
Date: Thu, 11 Aug 2011 14:56:46 +0100
From: Matt Fleming <matt@...sole-pimps.org>
To: Oleg Nesterov <oleg@...hat.com>
Cc: linux-kernel@...r.kernel.org, Michal Simek <monstr@...str.eu>
Subject: [PATCH 12/41] microblaze: Don't reimplement force_sigsegv()
From: Matt Fleming <matt.fleming@...el.com>
Instead of open coding the sequence from force_sigsegv() just call
it. This also fixes a race because sa_handler was being modified
without holding ->sighand->siglock.
Cc: Oleg Nesterov <oleg@...hat.com>
Cc: Michal Simek <monstr@...str.eu>
Signed-off-by: Matt Fleming <matt.fleming@...el.com>
---
arch/microblaze/kernel/signal.c | 4 +---
1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 5996711..90de06d 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -270,9 +270,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
return;
give_sigsegv:
- if (sig == SIGSEGV)
- ka->sa.sa_handler = SIG_DFL;
- force_sig(SIGSEGV, current);
+ force_sigsegv(sig, current);
}
/* Handle restarting system calls */
--
1.7.4.4
--
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