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Eric Paris 5a55261716 SELinux: don't BUG if fs reuses a superblock
I (wrongly) assumed that nfs_xdev_get_sb() would not ever share a superblock
and so cloning mount options would always be correct.  Turns out that isn't
the case and we could fall over a BUG_ON() that wasn't a BUG at all.  Since
there is little we can do to reconcile different mount options this patch
just leaves the sb alone and the first set of options wins.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: James Morris <jmorris@namei.org>
2008-04-10 08:51:01 +10:00
..
keys Convert ERR_PTR(PTR_ERR(p)) instances to ERR_CAST(p) 2008-02-07 08:42:26 -08:00
selinux SELinux: don't BUG if fs reuses a superblock 2008-04-10 08:51:01 +10:00
smack smackfs: remove redundant lock, fix open(,O_RDWR) 2008-03-24 19:22:19 -07:00
Kconfig security: allow Kconfig to set default mmap_min_addr protection 2008-02-06 21:39:46 +08:00
Makefile Smack: Simplified Mandatory Access Control Kernel 2008-02-05 09:44:20 -08:00
capability.c file capabilities: remove cap_task_kill() 2008-03-20 09:46:36 -07:00
commoncap.c file capabilities: remove cap_task_kill() 2008-03-20 09:46:36 -07:00
dummy.c LSM/SELinux: Interfaces to allow FS to control mount options 2008-03-06 08:40:53 +11:00
inode.c Kobject: convert remaining kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
root_plug.c security: Convert LSM into a static interface 2007-10-17 08:43:07 -07:00
security.c LSM/SELinux: Interfaces to allow FS to control mount options 2008-03-06 08:40:53 +11:00