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") Signed-off-by: Li Nan <linan122@xxxxxxxxxx> --- block/badblocks.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/badblocks.c b/block/badblocks.c index a953d2e9417f..87267bae6836 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