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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-08-01 20:14:55 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-08-04 08:55:14 -0400
commit0d8a374673c9bc62bc78a2d8fe64553a51542cb4 (patch)
treeb3e5807bc7dd434465327726fdb2f94829cefc86 /net/sunrpc/auth_gss/auth_gss.c
parentc3ae62ae08bb0db3639d8c579e4ff0967d908199 (diff)
SUNRPC: Defer deleting the security context until gss_do_free_ctx()
There is no need to delete the gss context separately from the rest of the security context information, and doing so gives rise to a an rcu_dereference_check() warning. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/auth_gss/auth_gss.c')
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 096e1260bc67..dcfc66bab2bb 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -928,6 +928,7 @@ gss_do_free_ctx(struct gss_cl_ctx *ctx)
928{ 928{
929 dprintk("RPC: gss_free_ctx\n"); 929 dprintk("RPC: gss_free_ctx\n");
930 930
931 gss_delete_sec_context(&ctx->gc_gss_ctx);
931 kfree(ctx->gc_wire_ctx.data); 932 kfree(ctx->gc_wire_ctx.data);
932 kfree(ctx); 933 kfree(ctx);
933} 934}
@@ -942,13 +943,7 @@ gss_free_ctx_callback(struct rcu_head *head)
942static void 943static void
943gss_free_ctx(struct gss_cl_ctx *ctx) 944gss_free_ctx(struct gss_cl_ctx *ctx)
944{ 945{
945 struct gss_ctx *gc_gss_ctx;
946
947 gc_gss_ctx = rcu_dereference(ctx->gc_gss_ctx);
948 rcu_assign_pointer(ctx->gc_gss_ctx, NULL);
949 call_rcu(&ctx->gc_rcu, gss_free_ctx_callback); 946 call_rcu(&ctx->gc_rcu, gss_free_ctx_callback);
950 if (gc_gss_ctx)
951 gss_delete_sec_context(&gc_gss_ctx);
952} 947}
953 948
954static void 949static void