[PATCH] ARM: SAMSUNG: Fixup prevent bug related to 'Unchecked return value'

[Huisung Kang]

[prevent bug]
In s5p_pmu_init(): Value returned from a function is not checked for
erros before being used.

Signed-off-by: Huisung Kang <hs1218.kang at samsung.com>
---
 arch/arm/plat-samsung/devs.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 3e38dc4..3e6e1f2 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -1092,7 +1092,14 @@ struct platform_device s5p_device_pmu = {
 
 static int __init s5p_pmu_init(void)
 {
-	platform_device_register(&s5p_device_pmu);
+	int ret;
+
+	ret = platform_device_register(&s5p_device_pmu);
+	if (ret) {
+		pr_warning("s5p_pmu_init: pmu device not registered.\n");
+		return ret;
+	}
+
 	return 0;
 }
 arch_initcall(s5p_pmu_init);
-- 
1.7.1