quota: correct error number in free_dqentry()

commit d0e36a62bd4c60c09acc40e06ba4831a4d0bc75b upstream.

Fix the error path in free_dqentry(), pass out the error number if the
block to free is not correct.

Fixes: 1ccd14b9c271 ("quota: Split off quota tree handling into a separate file")
Link: https://lore.kernel.org/r/20211008093821.1001186-3-yi.zhang@huawei.com
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Cc: stable@kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/quota/quota_tree.c b/fs/quota/quota_tree.c
index c459ac0..1a188fb 100644 (file)
--- a/fs/quota/quota_tree.c
+++ b/fs/quota/quota_tree.c
@@ -423,6 +423,7 @@ static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot,
                quota_error(dquot->dq_sb, "Quota structure has offset to "
                        "other block (%u) than it should (%u)", blk,
                        (uint)(dquot->dq_off >> info->dqi_blocksize_bits));
+               ret = -EIO;
                goto out_buf;
        }
        ret = read_blk(info, blk, buf);