From: Eric W. Biederman <ebiederm@xmission.com>
Date: Mon, 24 Jul 2017 22:30:30 +0000 (-0500)
Subject: signal/sh: Ensure si_signo is initialized in do_divide_error
X-Git-Tag: Ubuntu-4.15.0-11.12~217
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=16e65dfca5e7a185df8331ffb736fed662131ba2;p=mirror_ubuntu-bionic-kernel.git

signal/sh: Ensure si_signo is initialized in do_divide_error

BugLink: http://bugs.launchpad.net/bugs/1751064

commit 0e88bb002a9b2ee8cc3cc9478ce2dc126f849696 upstream.

Set si_signo.

Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: linux-sh@vger.kernel.org
Fixes: 0983b31849bb ("sh: Wire up division and address error exceptions on SH-2A.")
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
---

diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index 57cff00cad17..b3770bb26211 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -609,7 +609,8 @@ asmlinkage void do_divide_error(unsigned long r4)
 		break;
 	}
 
-	force_sig_info(SIGFPE, &info, current);
+	info.si_signo = SIGFPE;
+	force_sig_info(info.si_signo, &info, current);
 }
 #endif