author: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com> 2020-01-11 18:44:34 +0530
committer: Michal Simek <michal.simek@xilinx.com> 2020-02-04 11:38:59 +0100
commit: 061d2c1d593076424c910cb1b64ecdb5c9a6923f
parent: 2602276d3d3811b1a48c48113042cd75fcbfc27d
Commit Summary:
Diffstat:
1 file changed, 2 insertions, 1 deletion
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index 0bde47e4fa69..dcba53803fa5 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -92,7 +92,8 @@ static inline void __disable_dcache_nomsr(void)
#define CACHE_LOOP_LIMITS(start, end, cache_line_length, cache_size) \
do { \
int align = ~(cache_line_length - 1); \
- end = min(start + cache_size, end); \
+ if (start < UINT_MAX - cache_size) \
+ end = min(start + cache_size, end); \
start &= align; \
} while (0)