diff options
| author | Ilya Dryomov | 2023-07-08 16:16:59 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-08-03 10:24:17 +0200 |
| commit | 0c0b6412c96691bc3cc16f2f4b27591b327e627f (patch) | |
| tree | c8eb388198ef3d66e8ab88bb8d654d36676c1bee /net/ceph | |
| parent | c0d067c79b238e1458689adc6a2ca31efaf6e7b7 (diff) | |
rbd: harden get_lock_owner_info() a bit
commit 8ff2c64c9765446c3cef804fb99da04916603e27 upstream.
- we want the exclusive lock type, so test for it directly
- use sscanf() to actually parse the lock cookie and avoid admitting
invalid handles
- bail if locker has a blank address
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/messenger.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index dfa237fbd5a3..09feb3f1fcaa 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -1118,6 +1118,7 @@ bool ceph_addr_is_blank(const struct ceph_entity_addr *addr) return true; } } +EXPORT_SYMBOL(ceph_addr_is_blank); int ceph_addr_port(const struct ceph_entity_addr *addr) { |