diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2013-12-19 15:08:03 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-12-19 15:08:32 +0100 |
| commit | e23c34bb41da65f354fb7eee04300c56ee48f60c (patch) | |
| tree | 549fbe449d55273b81ef104a9755109bf4ae7817 /fs/sysfs/mount.c | |
| parent | b481c2cb3534c85dca625973b33eba15f9af3e4c (diff) | |
| parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) | |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply fixes on top of newer things
in tree (efi-stub).
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'fs/sysfs/mount.c')
| -rw-r--r-- | fs/sysfs/mount.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index fd7ce7a39f91..834ec2cdb7a3 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -112,8 +112,15 @@ static struct dentry *sysfs_mount(struct file_system_type *fs_type, struct super_block *sb; int error; - if (!(flags & MS_KERNMOUNT) && !current_user_ns()->may_mount_sysfs) - return ERR_PTR(-EPERM); + if (!(flags & MS_KERNMOUNT)) { + if (!capable(CAP_SYS_ADMIN) && !fs_fully_visible(fs_type)) + return ERR_PTR(-EPERM); + + for (type = KOBJ_NS_TYPE_NONE; type < KOBJ_NS_TYPES; type++) { + if (!kobj_ns_current_may_mount(type)) + return ERR_PTR(-EPERM); + } + } info = kzalloc(sizeof(*info), GFP_KERNEL); if (!info) |