Commit 061d2c1d authored by Shubhrajyoti Datta's avatar Shubhrajyoti Datta Committed by Michal Simek

microblaze: Prevent the overflow of the start

In case the start + cache size is more than the max int the
start overflows.
Prevent the same.
Signed-off-by: default avatarShubhrajyoti Datta <[email protected]>
Signed-off-by: default avatarMichal Simek <[email protected]>
parent 2602276d
......@@ -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)
......
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