+ gc_gss_ctx = rcu_dereference(ctx->gc_gss_ctx);
+ rcu_assign_pointer(ctx->gc_gss_ctx, NULL);
+ call_rcu(&ctx->gc_rcu, gss_free_ctx_callback);
+ if (gc_gss_ctx)
+ gss_delete_sec_context(&gc_gss_ctx);
+}
+
+static void
+gss_free_cred(struct gss_cred *gss_cred)
+{
+ dprintk("RPC: gss_free_cred %p\n", gss_cred);
+ kfree(gss_cred);
+}
+
+static void
+gss_free_cred_callback(struct rcu_head *head)
+{
+ struct gss_cred *gss_cred = container_of(head, struct gss_cred, gc_base.cr_rcu);
+ gss_free_cred(gss_cred);
+}
+
+static void
+gss_destroy_cred(struct rpc_cred *cred)
+{
+ struct gss_cred *gss_cred = container_of(cred, struct gss_cred, gc_base);
+ struct gss_auth *gss_auth = container_of(cred->cr_auth, struct gss_auth, rpc_auth);
+ struct gss_cl_ctx *ctx = gss_cred->gc_ctx;
+
+ if (gss_destroying_context(cred))
+ return;
+ rcu_assign_pointer(gss_cred->gc_ctx, NULL);
+ call_rcu(&cred->cr_rcu, gss_free_cred_callback);
+ if (ctx)
+ gss_put_ctx(ctx);
+ kref_put(&gss_auth->kref, gss_free_callback);