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authorDavid Daney <ddaney@caviumnetworks.com>2009-05-05 19:49:47 (GMT)
committerRalf Baechle <ralf@linux-mips.org>2009-05-14 12:50:29 (GMT)
commita6d5ff04e83b36e0d5c2c50ef4d18e9f38b5abc2 (patch)
treeb85da186188c8a9d6622849da5e73aa7896911c9 /arch/mips/kernel
parentd0ce9a5a47113eec041a0972a0b86134b8fd2828 (diff)
downloadlinux-a6d5ff04e83b36e0d5c2c50ef4d18e9f38b5abc2.tar.xz
MIPS: Use force_sig when handling address errors.
When init is started it is SIGNAL_UNKILLABLE. If it were to get an address error, we would try to send it SIGBUS, but it would be ignored and the faulting instruction restarted. This results in an endless loop. We need to use force_sig() instead so it will actually die and give us some useful information. Reported-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel')
-rw-r--r--arch/mips/kernel/unaligned.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index bf4c4a9..67bd626 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -482,19 +482,19 @@ fault:
return;
die_if_kernel("Unhandled kernel unaligned access", regs);
- send_sig(SIGSEGV, current, 1);
+ force_sig(SIGSEGV, current);
return;
sigbus:
die_if_kernel("Unhandled kernel unaligned access", regs);
- send_sig(SIGBUS, current, 1);
+ force_sig(SIGBUS, current);
return;
sigill:
die_if_kernel("Unhandled kernel unaligned access or invalid instruction", regs);
- send_sig(SIGILL, current, 1);
+ force_sig(SIGILL, current);
}
asmlinkage void do_ade(struct pt_regs *regs)