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From:   Trond Myklebust <trondmy@gmail.com>
To:     Anna Schumaker <Anna.Schumaker@netapp.com>
Cc:     linux-nfs@vger.kernel.org
Subject: [PATCH 3/3] NFS: nfs_find_open_context() should use cred_fscmp()
Date:   Sun, 26 Jan 2020 17:31:15 -0500
Message-Id: <20200126223115.40476-3-trond.myklebust@hammerspace.com>
In-Reply-To: <20200126223115.40476-2-trond.myklebust@hammerspace.com>
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 <20200126223115.40476-2-trond.myklebust@hammerspace.com>
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We want to find open contexts that match our filesystem access
properties. They don't have to exactly match the cred.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 fs/nfs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 71dfc9d2fc3d..1309e6f47f3d 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -1061,7 +1061,7 @@ struct nfs_open_context *nfs_find_open_context(struct inode *inode, const struct
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(pos, &nfsi->open_files, list) {
-		if (cred != NULL && pos->cred != cred)
+		if (cred != NULL && cred_fscmp(pos->cred, cred) != 0)
 			continue;
 		if ((pos->mode & (FMODE_READ|FMODE_WRITE)) != mode)
 			continue;
-- 
2.24.1