On the combination of first fail and second success,
we will miss to mark recovery flag because currently
we reuse err variable in the loop.
Signed-off-by: NChengguang Xu <cgxu519@zoho.com.cn>
Reviewed-by: NChao Yu <yuchao0@huawei.com>
Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>