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author | Ilya Dryomov <idryomov@gmail.com> | 2023-07-08 16:16:59 +0200 |
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committer | Ilya Dryomov <idryomov@gmail.com> | 2023-07-26 15:08:09 +0200 |
commit | 8ff2c64c9765446c3cef804fb99da04916603e27 (patch) | |
tree | 87805bd178c9f42cf311fc50e406ce6f9e7ef947 /net/ceph/messenger.c | |
parent | rbd: make get_lock_owner_info() return a single locker or NULL (diff) | |
download | linux-8ff2c64c9765446c3cef804fb99da04916603e27.tar.xz linux-8ff2c64c9765446c3cef804fb99da04916603e27.zip |
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 '')
-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 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) { |