diff --git a/fs/nfs/super.c b/fs/nfs/super.c index d18a90ba165fe7d1b43ac2b349f5a74467c54bb8..d05024a1898467eca2c797e1262571031d0882bf 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -1531,6 +1531,9 @@ static int nfs_parse_mount_options(char *raw, if (!sloppy && invalid_option) return 0; + if (mnt->minorversion && mnt->version != 4) + goto out_minorversion_mismatch; + /* * verify that any proto=/mountproto= options match the address * familiies in the addr=/mountaddr= options. @@ -1564,6 +1567,10 @@ static int nfs_parse_mount_options(char *raw, out_invalid_value: printk(KERN_INFO "NFS: bad mount option value specified: %s\n", p); return 0; +out_minorversion_mismatch: + printk(KERN_INFO "NFS: mount option vers=%u does not support " + "minorversion=%u\n", mnt->version, mnt->minorversion); + return 0; out_nomem: printk(KERN_INFO "NFS: not enough memory to parse option\n"); return 0;