gss:spkm3 miss returning error to caller when import security context

spkm3 miss returning error to up layer when import security context,
it may be return ok though it has failed to import security context.

Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/net/sunrpc/auth_gss/gss_spkm3_mech.c b/net/sunrpc/auth_gss/gss_spkm3_mech.c
index dc3f1f5ed8654da469bd477803eb3530ea9659b7..adade3d313f279bde98674e2e7ed21496267f9e7 100644 (file)
--- a/net/sunrpc/auth_gss/gss_spkm3_mech.c
+++ b/net/sunrpc/auth_gss/gss_spkm3_mech.c
@@ -100,6 +100,7 @@ gss_import_sec_context_spkm3(const void *p, size_t len,
        if (version != 1) {
                dprintk("RPC:       unknown spkm3 token format: "
                                "obsolete nfs-utils?\n");
+               p = ERR_PTR(-EINVAL);
                goto out_err_free_ctx;
        }
 
@@ -135,8 +136,10 @@ gss_import_sec_context_spkm3(const void *p, size_t len,
        if (IS_ERR(p))
                goto out_err_free_intg_alg;
 
-       if (p != end)
+       if (p != end) {
+               p = ERR_PTR(-EFAULT);
                goto out_err_free_intg_key;
+       }
 
        ctx_id->internal_ctx_id = ctx;