diff --git a/arch/arm/mm/cache-xsc3l2.c b/arch/arm/mm/cache-xsc3l2.c index 10b1bae1a258f782f0aaf67e128f8a8aef514672..464de893a988033180ac9bb7e25c1a53daa6f149 100644 --- a/arch/arm/mm/cache-xsc3l2.c +++ b/arch/arm/mm/cache-xsc3l2.c @@ -98,7 +98,7 @@ static void xsc3_l2_inv_range(unsigned long start, unsigned long end) /* * Clean and invalidate partial last cache line. */ - if (end & (CACHE_LINE_SIZE - 1)) { + if (start < end && (end & (CACHE_LINE_SIZE - 1))) { xsc3_l2_clean_pa(end & ~(CACHE_LINE_SIZE - 1)); xsc3_l2_inv_pa(end & ~(CACHE_LINE_SIZE - 1)); end &= ~(CACHE_LINE_SIZE - 1); @@ -107,7 +107,7 @@ static void xsc3_l2_inv_range(unsigned long start, unsigned long end) /* * Invalidate all full cache lines between 'start' and 'end'. */ - while (start != end) { + while (start < end) { xsc3_l2_inv_pa(start); start += CACHE_LINE_SIZE; }