From 05513992c69d159e698bb4b5f651abd0ceff525c Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Mon, 21 Sep 2015 15:34:08 +0200 Subject: [PATCH] MIPS: Remove invalid check Unsigned values cannot be lesser than zero. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [ralf@linux-mips.org: Chris Dearman's original commit 9318c51acd9689505850152cc98277a6d6f2d752 ([MIPS] MIPS32/MIPS64 secondary cache management) introduced these less than zero checks in 2.6.18.] [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 Signed-off-by: Andrzej Hajda Cc: linux-kernel@vger.kernel.org Cc: Bartlomiej Zolnierkiewicz Cc: Marek Szyprowski Cc: Markos Chandras Cc: Chris Dearman Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/11165/ Signed-off-by: Ralf Baechle --- arch/mips/mm/sc-mips.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/mips/mm/sc-mips.c b/arch/mips/mm/sc-mips.c index 53ea8391f9bb..1755187a6545 100644 --- a/arch/mips/mm/sc-mips.c +++ b/arch/mips/mm/sc-mips.c @@ -162,13 +162,13 @@ static inline int __init mips_sc_probe(void) return 0; tmp = (config2 >> 8) & 0x0f; - if (0 <= tmp && tmp <= 7) + if (tmp <= 7) c->scache.sets = 64 << tmp; else return 0; tmp = (config2 >> 0) & 0x0f; - if (0 <= tmp && tmp <= 7) + if (tmp <= 7) c->scache.ways = tmp + 1; else return 0; -- 2.20.1