Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...

[pandora-kernel.git] / net / ceph / ceph_common.c

diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index c5605ae..e65e6e4 100644 (file)
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -15,6 +15,8 @@
 #include <linux/slab.h>
 #include <linux/statfs.h>
 #include <linux/string.h>
+#include <linux/nsproxy.h>
+#include <net/net_namespace.h>
 
 
 #include <linux/ceph/ceph_features.h>
@@ -308,6 +310,9 @@ ceph_parse_options(char *options, const char *dev_name,
        int err = -ENOMEM;
        substring_t argstr[MAX_OPT_ARGS];
 
+       if (current->nsproxy->net_ns != &init_net)
+               return ERR_PTR(-EINVAL);
+
        opt = kzalloc(sizeof(*opt), GFP_KERNEL);
        if (!opt)
                return ERR_PTR(-ENOMEM);