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Commit 41d058c3 authored by Trond Myklebust's avatar Trond Myklebust
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NFSv4: Disallow security negotiation for lookups when 'sec=' is specified 



Ensure that nfs4_proc_lookup_common respects the NFS_MOUNT_SECFLAVOUR
flag.

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 5e6b1990

fs/nfs/nfs4proc.c

+3 −1
Original line number Diff line number Diff line
@@ -3154,7 +3154,9 @@ static int nfs4_proc_lookup_common(struct rpc_clnt **clnt, struct inode *dir, 
			err = -EPERM;

			if (client != *clnt)

				goto out;



			/* No security negotiation if the user specified 'sec=' */

			if (NFS_SERVER(dir)->flags & NFS_MOUNT_SECFLAVOUR)

				goto out;

			client = nfs4_create_sec_client(client, dir, name);

			if (IS_ERR(client))

				return PTR_ERR(client);