From: Trond Myklebust <trond.myklebust@hammerspace.com>
Date: Thu, 27 Oct 2022 20:50:12 +0000 (-0400)
Subject: NFSv4: Fix a credential leak in _nfs4_discover_trunking()
X-Git-Tag: v5.15.92~1220
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c6aca4c7ba8f6d40a0cfeeb09160dd8efdf97c64;p=platform%2Fkernel%2Flinux-rpi.git

NFSv4: Fix a credential leak in _nfs4_discover_trunking()

[ Upstream commit e83458fce080dc23c25353a1af90bfecf79c7369 ]

Fixes: 4f40a5b55446 ("NFSv4: Add an fattr allocation to _nfs4_discover_trunking()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index dcc0677..3c9ed63 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3987,7 +3987,7 @@ static int _nfs4_discover_trunking(struct nfs_server *server,
 
 	page = alloc_page(GFP_KERNEL);
 	if (!page)
-		return -ENOMEM;
+		goto out_put_cred;
 	locations = kmalloc(sizeof(struct nfs4_fs_locations), GFP_KERNEL);
 	if (!locations)
 		goto out_free;
@@ -4003,6 +4003,8 @@ out_free_2:
 	kfree(locations);
 out_free:
 	__free_page(page);
+out_put_cred:
+	put_cred(cred);
 	return status;
 }