Commit 2ecda72b authored by Trond Myklebust's avatar Trond Myklebust

NFSv4: Disallow 'mount -t nfs4 -overs=2' and 'mount -t nfs4 -overs=3'

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 764302cc
...@@ -2321,6 +2321,12 @@ static int nfs4_validate_text_mount_data(void *options, ...@@ -2321,6 +2321,12 @@ static int nfs4_validate_text_mount_data(void *options,
nfs4_validate_mount_flags(args); nfs4_validate_mount_flags(args);
if (args->version != 4) {
dfprintk(MOUNT,
"NFS4: Illegal mount version\n");
return -EINVAL;
}
if (args->auth_flavor_len > 1) { if (args->auth_flavor_len > 1) {
dfprintk(MOUNT, dfprintk(MOUNT,
"NFS4: Too many RPC auth flavours specified\n"); "NFS4: Too many RPC auth flavours specified\n");
......
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