linux-kernel - [PATCH v3 6/8] MIPS: math-emu: Avoid an assignment within if statement condition

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu,  2 Nov 2017 12:14:03 +0100
From:   Aleksandar Markovic <aleksandar.markovic@...rk.com>
To:     linux-mips@...ux-mips.org
Cc:     Aleksandar Markovic <aleksandar.markovic@...s.com>,
        Douglas Leung <douglas.leung@...tec.com>,
        Douglas Leung <douglas.leung@...s.com>,
        Goran Ferenc <goran.ferenc@...tec.com>,
        Goran Ferenc <goran.ferenc@...s.com>,
        James Hogan <james.hogan@...s.com>,
        linux-kernel@...r.kernel.org,
        "Maciej W. Rozycki" <macro@...tec.com>,
        Miodrag Dinic <miodrag.dinic@...tec.com>,
        Miodrag Dinic <miodrag.dinic@...s.com>,
        Paul Burton <paul.burton@...tec.com>,
        Paul Burton <paul.burton@...s.com>,
        Petar Jovanovic <petar.jovanovic@...s.com>,
        Raghu Gandham <raghu.gandham@...s.com>,
        Ralf Baechle <ralf@...ux-mips.org>
Subject: [PATCH v3 6/8] MIPS: math-emu: Avoid an assignment within if statement condition

From: Aleksandar Markovic <aleksandar.markovic@...s.com>

Move invocation of fpu_emu() to be out of if statement condition.

This makes code easier to follow and debug, and fixes a checkpatch
warning.

Signed-off-by: Aleksandar Markovic <aleksandar.markovic@...s.com>
---
 arch/mips/math-emu/cp1emu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index da6c1c0..9e5c880 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -1353,7 +1353,8 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
 				return SIGILL;
 
 			/* a real fpu computation instruction */
-			if ((sig = fpu_emu(xcp, ctx, ir)))
+			sig = fpu_emu(xcp, ctx, ir);
+			if (sig)
 				return sig;
 		}
 		break;
-- 
2.7.4