提交 a4deb81b 编写于 作者: T Trond Myklebust

SUNRPC: Don't call gss_delete_sec_context() from an rcu context

Doing so may not be safe...
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>
上级 905f8d16
...@@ -736,9 +736,6 @@ gss_do_free_ctx(struct gss_cl_ctx *ctx) ...@@ -736,9 +736,6 @@ gss_do_free_ctx(struct gss_cl_ctx *ctx)
{ {
dprintk("RPC: gss_free_ctx\n"); dprintk("RPC: gss_free_ctx\n");
if (ctx->gc_gss_ctx)
gss_delete_sec_context(&ctx->gc_gss_ctx);
kfree(ctx->gc_wire_ctx.data); kfree(ctx->gc_wire_ctx.data);
kfree(ctx); kfree(ctx);
} }
...@@ -753,7 +750,13 @@ gss_free_ctx_callback(struct rcu_head *head) ...@@ -753,7 +750,13 @@ gss_free_ctx_callback(struct rcu_head *head)
static void static void
gss_free_ctx(struct gss_cl_ctx *ctx) gss_free_ctx(struct gss_cl_ctx *ctx)
{ {
struct gss_ctx *gc_gss_ctx;
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); call_rcu(&ctx->gc_rcu, gss_free_ctx_callback);
if (gc_gss_ctx)
gss_delete_sec_context(&gc_gss_ctx);
} }
static void static void
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册