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

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2009-09-08 19:50:07 -04:00
parent 764302ccb8
commit 2ecda72b49
1 changed files with 6 additions and 0 deletions
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6
fs/nfs/super.c
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@ -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");