linux-kernel - [PATCH 3.2 036/153] signal/sh: Ensure si_signo is initialized in do_divide

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Message-ID: <lsq.1527677561.204017648@decadent.org.uk>
Date:   Wed, 30 May 2018 11:52:41 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        linux-sh@...r.kernel.org, "Paul Mundt" <lethal@...ux-sh.org>,
        "Rich Felker" <dalias@...c.org>,
        "Yoshinori Sato" <ysato@...rs.sourceforge.jp>
Subject: [PATCH 3.2 036/153] signal/sh: Ensure si_signo is initialized in
 do_divide_error

3.2.102-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: "Eric W. Biederman" <ebiederm@...ssion.com>

commit 0e88bb002a9b2ee8cc3cc9478ce2dc126f849696 upstream.

Set si_signo.

Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc: Rich Felker <dalias@...c.org>
Cc: Paul Mundt <lethal@...ux-sh.org>
Cc: linux-sh@...r.kernel.org
Fixes: 0983b31849bb ("sh: Wire up division and address error exceptions on SH-2A.")
Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 arch/sh/kernel/traps_32.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -706,7 +706,8 @@ asmlinkage void do_divide_error(unsigned
 		break;
 	}
 
-	force_sig_info(SIGFPE, &info, current);
+	info.si_signo = SIGFPE;
+	force_sig_info(info.si_signo, &info, current);
 }
 #endif