libceph: make ceph_osdc_put_request() accept NULL
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 40a53a7..cacce9e 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -354,9 +354,11 @@
void ceph_osdc_put_request(struct ceph_osd_request *req)
{
- dout("%s %p (was %d)\n", __func__, req,
- atomic_read(&req->r_kref.refcount));
- kref_put(&req->r_kref, ceph_osdc_release_request);
+ if (req) {
+ dout("%s %p (was %d)\n", __func__, req,
+ atomic_read(&req->r_kref.refcount));
+ kref_put(&req->r_kref, ceph_osdc_release_request);
+ }
}
EXPORT_SYMBOL(ceph_osdc_put_request);