From f74f70f8b10b435f5f20247e70d1d86b53a59685 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Thu, 31 Jan 2013 04:23:54 -0800 Subject: afs: Only allow mounting afs in the intial network namespace rxrpc sockets only work in the initial network namespace so it isn't possible to support afs in any other network namespace. Cc: David Howells Signed-off-by: "Eric W. Biederman" --- fs/afs/super.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'fs/afs/super.c') diff --git a/fs/afs/super.c b/fs/afs/super.c index 43165009428d..7c31ec399575 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -24,6 +24,8 @@ #include #include #include +#include +#include #include "internal.h" #define AFS_FS_MAGIC 0x6B414653 /* 'kAFS' */ @@ -363,6 +365,10 @@ static struct dentry *afs_mount(struct file_system_type *fs_type, memset(¶ms, 0, sizeof(params)); + ret = -EINVAL; + if (current->nsproxy->net_ns != &init_net) + goto error; + /* parse the options and device name */ if (options) { ret = afs_parse_options(¶ms, options, &dev_name); -- cgit v1.2.3-59-g8ed1b