From: Li Nan <linan122@xxxxxxxxxx>
The number of badblocks cannot exceed MAX_BADBLOCKS, but it should be
allowed to equal MAX_BADBLOCKS.
Fixes: aa511ff8218b ("badblocks: switch to the improved badblock handling code")
Fixes: c3c6a86e9efc ("badblocks: add helper routines for badblock ranges handling")
Signed-off-by: Li Nan <linan122@xxxxxxxxxx>
Reviewed-by: Zhu Yanjun <yanjun.zhu@xxxxxxxxx>
Reviewed-by: Yu Kuai <yukuai3@xxxxxxxxxx>
Acked-by: Coly Li <colyli@xxxxxxxxxx>
---
block/badblocks.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/block/badblocks.c b/block/badblocks.c
index 88f27d4f3856..43430bd3efa7 100644
--- a/block/badblocks.c
+++ b/block/badblocks.c
@@ -700,7 +700,7 @@ static bool can_front_overwrite(struct badblocks *bb, int prev,
*extra = 2;
}
- if ((bb->count + (*extra)) >= MAX_BADBLOCKS)
+ if ((bb->count + (*extra)) > MAX_BADBLOCKS)
return false;
return true;
@@ -1135,7 +1135,7 @@ static int _badblocks_clear(struct badblocks *bb, sector_t s, int sectors)
if ((BB_OFFSET(p[prev]) < bad.start) &&
(BB_END(p[prev]) > (bad.start + bad.len))) {
/* Splitting */
- if ((bb->count + 1) < MAX_BADBLOCKS) {
+ if ((bb->count + 1) <= MAX_BADBLOCKS) {
len = front_splitting_clear(bb, prev, &bad);
bb->count += 1;
cleared++;
--
2.39.2
