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>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/arm/mm/cache-tauros2.c b/arch/arm/mm/cache-tauros2.c
index 23a7643e9a87..97e2ac81399f 100644
--- 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();