linux-kernel - [PATCH] bdi: Fix error return code in alloc

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Date:   Sun, 15 Nov 2020 16:23:43 +0800
From:   Wang ShaoBo <bobo.shaobowang@...wei.com>
To:     <richard@....at>
CC:     <s.hauer@...gutronix.de>, <linux-mtd@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <huawei.libin@...wei.com>,
        <cj.chengjian@...wei.com>
Subject: [PATCH] bdi: Fix error return code in alloc_wbufs()

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>
---
 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 cb3acfb7dd1f..dacbb999ae34 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -838,8 +838,10 @@ 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;
+		}
 	}
 
 	/*
-- 
2.25.1