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-rw-r--r--net/sunrpc/svc.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 2b90292..ce5f111 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -167,6 +167,7 @@ svc_pool_map_alloc_arrays(struct svc_pool_map *m, unsigned int maxpools)
fail_free:
kfree(m->to_pool);
+ m->to_pool = NULL;
fail:
return -ENOMEM;
}
@@ -287,7 +288,9 @@ svc_pool_map_put(void)
if (!--m->count) {
m->mode = SVC_POOL_DEFAULT;
kfree(m->to_pool);
+ m->to_pool = NULL;
kfree(m->pool_to);
+ m->pool_to = NULL;
m->npools = 0;
}
@@ -472,17 +475,20 @@ svc_destroy(struct svc_serv *serv)
printk("svc_destroy: no threads for serv=%p!\n", serv);
del_timer_sync(&serv->sv_temptimer);
-
- svc_close_all(&serv->sv_tempsocks);
+ /*
+ * The set of xprts (contained in the sv_tempsocks and
+ * sv_permsocks lists) is now constant, since it is modified
+ * only by accepting new sockets (done by service threads in
+ * svc_recv) or aging old ones (done by sv_temptimer), or
+ * configuration changes (excluded by whatever locking the
+ * caller is using--nfsd_mutex in the case of nfsd). So it's
+ * safe to traverse those lists and shut everything down:
+ */
+ svc_close_all(serv);
if (serv->sv_shutdown)
serv->sv_shutdown(serv);
- svc_close_all(&serv->sv_permsocks);
-
- BUG_ON(!list_empty(&serv->sv_permsocks));
- BUG_ON(!list_empty(&serv->sv_tempsocks));
-
cache_clean_deferred(serv);
if (svc_serv_is_pooled(serv))