linux-kernel - [PATCH 5.4 124/340] ubifs: Fix error return code in alloc

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Date:   Mon,  1 Mar 2021 17:11:08 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Wang ShaoBo <bobo.shaobowang@...wei.com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Richard Weinberger <richard@....at>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 124/340] ubifs: Fix error return code in alloc_wbufs()

From: Wang ShaoBo <bobo.shaobowang@...wei.com>

[ Upstream commit 42119dbe571eb419dae99b81dd20fa42f47464e1 ]

Fix to return PTR_ERR() error code from the error handling case instead
fo 0 in function alloc_wbufs(), as done elsewhere in this function.

Fixes: 6a98bc4614de ("ubifs: Add authentication nodes to journal")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@...wei.com>
Reviewed-by: Sascha Hauer <s.hauer@...gutronix.de>
Signed-off-by: Richard Weinberger <richard@....at>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/ubifs/super.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index e49bd69dfc1c8..701f15ba61352 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -820,8 +820,10 @@ static int alloc_wbufs(struct ubifs_info *c)
 		c->jheads[i].wbuf.jhead = i;
 		c->jheads[i].grouped = 1;
 		c->jheads[i].log_hash = ubifs_hash_get_desc(c);
-		if (IS_ERR(c->jheads[i].log_hash))
+		if (IS_ERR(c->jheads[i].log_hash)) {
+			err = PTR_ERR(c->jheads[i].log_hash);
 			goto out;
+		}
 	}
 
 	/*
-- 
2.27.0