diff options
| author | Ilya Dryomov <idryomov@gmail.com> | 2016-07-26 15:22:35 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2016-07-28 02:55:35 +0200 |
| commit | 281dbe5db81c6137def9757e07a7aea14b1ed86e (patch) | |
| tree | a74416bd23d94120cd141a0d225ebbe309473222 /include | |
| parent | b2aa5d0bc86cb901cc6c8737cfff66360cbff00c (diff) | |
libceph: add an ONSTACK initializer for oids
An on-stack oid in ceph_ioctl_get_dataloc() is not initialized,
resulting in a WARN and a NULL pointer dereference later on. We will
have more of these on-stack in the future, so fix it with a convenience
macro.
Fixes: d30291b985d1 ("libceph: variable-sized ceph_object_id")
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ceph/osdmap.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h index 9ccf4dbe55f8..21d7f048959f 100644 --- a/include/linux/ceph/osdmap.h +++ b/include/linux/ceph/osdmap.h @@ -115,6 +115,11 @@ static inline void ceph_oid_init(struct ceph_object_id *oid) oid->name_len = 0; } +#define CEPH_OID_INIT_ONSTACK(oid) \ + ({ ceph_oid_init(&oid); oid; }) +#define CEPH_DEFINE_OID_ONSTACK(oid) \ + struct ceph_object_id oid = CEPH_OID_INIT_ONSTACK(oid) + static inline bool ceph_oid_empty(const struct ceph_object_id *oid) { return oid->name == oid->inline_name && !oid->name_len; |