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Message-Id: <20210621154921.805442499@linuxfoundation.org>
Date:   Mon, 21 Jun 2021 18:13:43 +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, Dan Carpenter <dan.carpenter@...cle.com>,
        David Howells <dhowells@...hat.com>,
        linux-afs@...ts.infradead.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 009/178] afs: Fix an IS_ERR() vs NULL check

From: Dan Carpenter <dan.carpenter@...cle.com>

[ Upstream commit a33d62662d275cee22888fa7760fe09d5b9cd1f9 ]

The proc_symlink() function returns NULL on error, it doesn't return
error pointers.

Fixes: 5b86d4ff5dce ("afs: Implement network namespacing")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: David Howells <dhowells@...hat.com>
cc: linux-afs@...ts.infradead.org
Link: https://lore.kernel.org/r/YLjMRKX40pTrJvgf@mwanda/
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/afs/main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/afs/main.c b/fs/afs/main.c
index b2975256dadb..179004b15566 100644
--- a/fs/afs/main.c
+++ b/fs/afs/main.c
@@ -203,8 +203,8 @@ static int __init afs_init(void)
 		goto error_fs;
 
 	afs_proc_symlink = proc_symlink("fs/afs", NULL, "../self/net/afs");
-	if (IS_ERR(afs_proc_symlink)) {
-		ret = PTR_ERR(afs_proc_symlink);
+	if (!afs_proc_symlink) {
+		ret = -ENOMEM;
 		goto error_proc;
 	}
 
-- 
2.30.2



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