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

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Doing so may not be safe...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-08-06 12:21:13 -04:00
parent 905f8d16e3
commit a4deb81ba8
1 changed files with 6 additions and 3 deletions
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9
net/sunrpc/auth_gss/auth_gss.c
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@ -736,9 +736,6 @@ gss_do_free_ctx(struct gss_cl_ctx *ctx)
{
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);
}
@ -753,7 +750,13 @@ gss_free_ctx_callback(struct rcu_head *head)
static void
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);
if (gc_gss_ctx)
gss_delete_sec_context(&gc_gss_ctx);
}
static void