ARM: cache: fix uninitialized ptr in tauros2_init

init the variable "mode" to NULL to ensure the later NULL checking is
taking effect.

Signed-off-by: Chao Xie <xiechao.mail@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>

diff --git a/arch/arm/mm/cache-tauros2.c b/arch/arm/mm/cache-tauros2.c
index 23a7643e9a875925be1280d1bff0c3ee6ffab7ee..97e2ac81399fb27aafdbaa98573eec72d2b2984c 100644 (file)
--- a/arch/arm/mm/cache-tauros2.c
+++ b/arch/arm/mm/cache-tauros2.c
@@ -192,7 +192,7 @@ static inline void __init write_actlr(u32 actlr)
 void __init tauros2_init(void)
 {
        extern int processor_id;
-       char *mode;
+       char *mode = NULL;
 
        disable_l2_prefetch();