Set fault rate to 0 is useless and confusable, so add check to
avoid it.
Signed-off-by: Chengguang Xu <cgxu...@gmx.com>
---
drivers/staging/erofs/super.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c
index d2dbc1fd3abb..8df680aee55a 100644
--- a/drivers/staging/erofs/super.c
+++ b/drivers/staging/erofs/super.c
@@ -166,6 +166,8 @@ static int erofs_build_fault_attr(struct erofs_sb_info *sbi,
if (args->from && match_int(args, &rate))
return -EINVAL;
+ if (!rate)
+ return -EINVAL;
__erofs_build_fault_attr(sbi, rate);
return 0;
--
2.17.1
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