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authorIlya Dryomov <idryomov@gmail.com>2023-07-08 16:16:59 +0200
committerIlya Dryomov <idryomov@gmail.com>2023-07-26 15:08:09 +0200
commit8ff2c64c9765446c3cef804fb99da04916603e27 (patch)
tree87805bd178c9f42cf311fc50e406ce6f9e7ef947 /net
parentf38cb9d9c2045dad16eead4a2e1aedfddd94603b (diff)
rbd: harden get_lock_owner_info() a bit
- 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>
Diffstat (limited to 'net')
-rw-r--r--net/ceph/messenger.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index cd7b0bf5369e..5eb4898cccd4 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1123,6 +1123,7 @@ 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)
{