diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:18:27 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-04-14 13:19:04 +0200 |
| commit | 6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch) | |
| tree | 021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /security/tomoyo/mount.c | |
| parent | 682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff) | |
| parent | a385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff) | |
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'security/tomoyo/mount.c')
| -rw-r--r-- | security/tomoyo/mount.c | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c index bee09d062057..fe00cdfd0267 100644 --- a/security/tomoyo/mount.c +++ b/security/tomoyo/mount.c @@ -199,30 +199,32 @@ int tomoyo_mount_permission(char *dev_name, struct path *path, if (flags & MS_REMOUNT) { type = tomoyo_mounts[TOMOYO_MOUNT_REMOUNT]; flags &= ~MS_REMOUNT; - } - if (flags & MS_MOVE) { - type = tomoyo_mounts[TOMOYO_MOUNT_MOVE]; - flags &= ~MS_MOVE; - } - if (flags & MS_BIND) { + } else if (flags & MS_BIND) { type = tomoyo_mounts[TOMOYO_MOUNT_BIND]; flags &= ~MS_BIND; - } - if (flags & MS_UNBINDABLE) { - type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_UNBINDABLE]; - flags &= ~MS_UNBINDABLE; - } - if (flags & MS_PRIVATE) { + } else if (flags & MS_SHARED) { + if (flags & (MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE)) + return -EINVAL; + type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_SHARED]; + flags &= ~MS_SHARED; + } else if (flags & MS_PRIVATE) { + if (flags & (MS_SHARED | MS_SLAVE | MS_UNBINDABLE)) + return -EINVAL; type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_PRIVATE]; flags &= ~MS_PRIVATE; - } - if (flags & MS_SLAVE) { + } else if (flags & MS_SLAVE) { + if (flags & (MS_SHARED | MS_PRIVATE | MS_UNBINDABLE)) + return -EINVAL; type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_SLAVE]; flags &= ~MS_SLAVE; - } - if (flags & MS_SHARED) { - type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_SHARED]; - flags &= ~MS_SHARED; + } else if (flags & MS_UNBINDABLE) { + if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE)) + return -EINVAL; + type = tomoyo_mounts[TOMOYO_MOUNT_MAKE_UNBINDABLE]; + flags &= ~MS_UNBINDABLE; + } else if (flags & MS_MOVE) { + type = tomoyo_mounts[TOMOYO_MOUNT_MOVE]; + flags &= ~MS_MOVE; } if (!type) type = "<NULL>"; |