microblaze: Initialize temp variable to remove compilation warning

Compilation warning:
arch/microblaze/kernel/cpu/cache.c:148:2: warning:
 'temp' is used uninitialized in this function [-Wuninitialized]

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index 4254514b4c8cf8cf3819c66ad90eb4e18145c696..a6e44410672dc036ed7009126cce80e846411127 100644 (file)
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -140,7 +140,7 @@ do {                                                                        \
 /* It is used only first parameter for OP - for wic, wdc */
 #define CACHE_RANGE_LOOP_1(start, end, line_length, op)                        \
 do {                                                                   \
-       int volatile temp;                                              \
+       int volatile temp = 0;                                          \
        int align = ~(line_length - 1);                                 \
        end = ((end & align) == end) ? end - line_length : end & align; \
        WARN_ON(end - start < 0);                                       \