lkml.org 
[lkml]   [2011]   [Aug]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 12/41] microblaze: Don't reimplement force_sigsegv()
Date
From: Matt Fleming <matt.fleming@intel.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@redhat.com>
Cc: Michal Simek <monstr@monstr.eu>
Signed-off-by: Matt Fleming <matt.fleming@intel.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


\
 
 \ /
  Last update: 2011-08-11 16:07    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site