SUNRPC: Don't call gss_delete_sec_context() from an rcu context
Doing so may not be safe... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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@ -736,9 +736,6 @@ gss_do_free_ctx(struct gss_cl_ctx *ctx)
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{
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dprintk("RPC: gss_free_ctx\n");
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if (ctx->gc_gss_ctx)
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gss_delete_sec_context(&ctx->gc_gss_ctx);
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kfree(ctx->gc_wire_ctx.data);
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kfree(ctx);
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}
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@ -753,7 +750,13 @@ gss_free_ctx_callback(struct rcu_head *head)
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static void
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gss_free_ctx(struct gss_cl_ctx *ctx)
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{
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struct gss_ctx *gc_gss_ctx;
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gc_gss_ctx = rcu_dereference(ctx->gc_gss_ctx);
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rcu_assign_pointer(ctx->gc_gss_ctx, NULL);
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call_rcu(&ctx->gc_rcu, gss_free_ctx_callback);
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if (gc_gss_ctx)
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gss_delete_sec_context(&gc_gss_ctx);
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}
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static void
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