linux-kernel - [PATCH 5.10 160/243] ubifs: journal: Fix error return code in ubifs_jnl_write

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Date:   Mon, 19 Jul 2021 16:53:09 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Zhen Lei <thunder.leizhen@...wei.com>,
        Richard Weinberger <richard@....at>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 160/243] ubifs: journal: Fix error return code in ubifs_jnl_write_inode()

From: Zhen Lei <thunder.leizhen@...wei.com>

[ Upstream commit a2c2a622d41168f9fea2aa3f76b9fbaa88531aac ]

Fix to return a negative error code from the error handling case instead
of 0, as done elsewhere in this function.

Fixes: 9ca2d7326444 ("ubifs: Limit number of xattrs per inode")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
Signed-off-by: Richard Weinberger <richard@....at>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/ubifs/journal.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index 7927dea2baba..7274bd23881b 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -882,6 +882,7 @@ int ubifs_jnl_write_inode(struct ubifs_info *c, const struct inode *inode)
 		struct ubifs_dent_node *xent, *pxent = NULL;
 
 		if (ui->xattr_cnt > ubifs_xattr_max_cnt(c)) {
+			err = -EPERM;
 			ubifs_err(c, "Cannot delete inode, it has too much xattrs!");
 			goto out_release;
 		}
-- 
2.30.2