From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Zhang Yi <yi.zhang@huawei.com>,
        stable@kernel.org, Jan Kara <jack@suse.cz>
Subject: [PATCH 4.9 052/207] quota: correct error number in free_dqentry()
Date:   Wed, 24 Nov 2021 12:55:23 +0100
Message-Id: <20211124115705.610846538@linuxfoundation.org>
In-Reply-To: <20211124115703.941380739@linuxfoundation.org>
References: <20211124115703.941380739@linuxfoundation.org>
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From: Zhang Yi <yi.zhang@huawei.com>

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>
---
 fs/quota/quota_tree.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/quota/quota_tree.c
+++ b/fs/quota/quota_tree.c
@@ -422,6 +422,7 @@ static int free_dqentry(struct qtree_mem
 		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);