NFSv4 server option nfs4_disable_idmapping says that it turn off server's NFSv4 idmapping when using 'sec=sys'. But it also turns idmapping off also for 'sec=none'. NFSv4 client option nfs4_disable_idmapping says same thing and really it turns the NFSv4 idmapping only for 'sec=sys'. Fix the NFSv4 server option nfs4_disable_idmapping to turn off idmapping only for 'sec=sys'. This aligns the server nfs4_disable_idmapping option with its description and also aligns behavior with the client option. Signed-off-by: Pali Rohár <pali@xxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx --- fs/nfsd/nfs4idmap.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index 7a806ac13e31..641293711f53 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -620,7 +620,7 @@ numeric_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namel static __be32 do_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen, u32 *id) { - if (nfs4_disable_idmapping && rqstp->rq_cred.cr_flavor < RPC_AUTH_GSS) + if (nfs4_disable_idmapping && rqstp->rq_cred.cr_flavor == RPC_AUTH_UNIX) if (numeric_name_to_id(rqstp, type, name, namelen, id)) return 0; /* @@ -633,7 +633,7 @@ do_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namelen, u static __be32 encode_name_from_id(struct xdr_stream *xdr, struct svc_rqst *rqstp, int type, u32 id) { - if (nfs4_disable_idmapping && rqstp->rq_cred.cr_flavor < RPC_AUTH_GSS) + if (nfs4_disable_idmapping && rqstp->rq_cred.cr_flavor == RPC_AUTH_UNIX) return encode_ascii_id(xdr, id); return idmap_id_to_name(xdr, rqstp, type, id); } -- 2.20.1