[PATCH] ARM: S5PV210: Fix possible null pointer dereference.

[Kukjin Kim]

From: Jonghwan Choi <jhbird.choi at samsung.com>

Signed-off-by: Jonghwan Choi <jhbird.choi at samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim at samsung.com>
---
 arch/arm/mach-s5pv210/cpufreq.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-s5pv210/cpufreq.c b/arch/arm/mach-s5pv210/cpufreq.c
index 22046e2..58340ee 100644
--- a/arch/arm/mach-s5pv210/cpufreq.c
+++ b/arch/arm/mach-s5pv210/cpufreq.c
@@ -105,8 +105,10 @@ static void s5pv210_set_refresh(enum s5pv210_dmc_port ch, unsigned long freq)
 		reg = (S5P_VA_DMC0 + 0x30);
 	else if (ch == DMC1)
 		reg = (S5P_VA_DMC1 + 0x30);
-	else
+	else {
 		printk(KERN_ERR "Cannot find DMC port\n");
+		return;
+	}
 
 	/* Find current DRAM frequency */
 	tmp = s5pv210_dram_conf[ch].freq;
-- 
1.7.1