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-rw-r--r--arch/arm/mm/cache-feroceon-l2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c
index 13cdae8..80cd207 100644
--- a/arch/arm/mm/cache-feroceon-l2.c
+++ b/arch/arm/mm/cache-feroceon-l2.c
@@ -150,7 +150,7 @@ static void feroceon_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)) {
l2_clean_inv_pa(end & ~(CACHE_LINE_SIZE - 1));
end &= ~(CACHE_LINE_SIZE - 1);
}
@@ -158,7 +158,7 @@ static void feroceon_l2_inv_range(unsigned long start, unsigned long end)
/*
* Invalidate all full cache lines between 'start' and 'end'.
*/
- while (start != end) {
+ while (start < end) {
unsigned long range_end = calc_range_end(start, end);
l2_inv_pa_range(start, range_end - CACHE_LINE_SIZE);
start = range_end;
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