From: Roel Kluin <roel.kluin@gmail.com>
To: jrigby@freescale.com, grant.likely@secretlab.ca
Cc: linuxppc-dev@ozlabs.org
Subject: [PATCH] powerpc/mpc5121: fix NULL test
Date: Sun, 04 Jan 2009 18:18:12 +0100 [thread overview]
Message-ID: <4960EF54.1090907@gmail.com> (raw)
strcmp on NULL results in a segmentation fault, also, remove the second,
redundant test on dev
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
Please verify whether this patch correct.
diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index f416014..1bcff94 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -56,12 +56,12 @@ static struct clk *mpc5121_clk_get(struct device *dev, const char *id)
int dev_match = 0;
int id_match = 0;
- if (dev == NULL && id == NULL)
+ if (dev == NULL || id == NULL)
return NULL;
mutex_lock(&clocks_mutex);
list_for_each_entry(p, &clocks, node) {
- if (dev && dev == p->dev)
+ if (dev == p->dev)
dev_match++;
if (strcmp(id, p->name) == 0)
id_match++;
reply other threads:[~2009-01-04 17:18 UTC|newest]
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