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authorIlya Dryomov <idryomov@gmail.com>2017-06-05 15:44:59 +0300
committerIlya Dryomov <idryomov@gmail.com>2017-07-07 18:25:14 +0300
commitca35ffea898d2cae67820202bd9a494742726b41 (patch)
tree58a66342211f6d1e27054f348a150064838353aa /net/ceph
parentf179d3ba8cb9073c2d96315b79ff7bc658a1feee (diff)
downloadlinux-ca35ffea898d2cae67820202bd9a494742726b41.tar.xz
libceph: handle non-empty dest in ceph_{oloc,oid}_copy()
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'net/ceph')
-rw-r--r--net/ceph/osdmap.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 55e3a477f92d..bf2fcc837e36 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -1547,12 +1547,13 @@ bad:
void ceph_oloc_copy(struct ceph_object_locator *dest,
const struct ceph_object_locator *src)
{
- WARN_ON(!ceph_oloc_empty(dest));
- WARN_ON(dest->pool_ns); /* empty() only covers ->pool */
+ ceph_oloc_destroy(dest);
dest->pool = src->pool;
if (src->pool_ns)
dest->pool_ns = ceph_get_string(src->pool_ns);
+ else
+ dest->pool_ns = NULL;
}
EXPORT_SYMBOL(ceph_oloc_copy);
@@ -1565,14 +1566,15 @@ EXPORT_SYMBOL(ceph_oloc_destroy);
void ceph_oid_copy(struct ceph_object_id *dest,
const struct ceph_object_id *src)
{
- WARN_ON(!ceph_oid_empty(dest));
+ ceph_oid_destroy(dest);
if (src->name != src->inline_name) {
/* very rare, see ceph_object_id definition */
dest->name = kmalloc(src->name_len + 1,
GFP_NOIO | __GFP_NOFAIL);
+ } else {
+ dest->name = dest->inline_name;
}
-
memcpy(dest->name, src->name, src->name_len + 1);
dest->name_len = src->name_len;
}