set netlink_dump_control.done to avoid panic.

Signed-off-by: Gao feng <gaof...@cn.fujitsu.com>
Cc: Herbert Xu <herb...@gondor.apana.org.au>
---
 crypto/crypto_user.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index 6bba414..f08297b 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -430,13 +430,15 @@ static struct crypto_link {
        int (*doit)(struct sk_buff *, struct nlmsghdr *, struct nlattr **);
        int (*dump)(struct sk_buff *, struct netlink_callback *);
        int (*done)(struct netlink_callback *);
+       struct module *module;
 } crypto_dispatch[CRYPTO_NR_MSGTYPES] = {
        [CRYPTO_MSG_NEWALG      - CRYPTO_MSG_BASE] = { .doit = crypto_add_alg},
        [CRYPTO_MSG_DELALG      - CRYPTO_MSG_BASE] = { .doit = crypto_del_alg},
        [CRYPTO_MSG_UPDATEALG   - CRYPTO_MSG_BASE] = { .doit = 
crypto_update_alg},
        [CRYPTO_MSG_GETALG      - CRYPTO_MSG_BASE] = { .doit = crypto_report,
                                                       .dump = 
crypto_dump_report,
-                                                      .done = 
crypto_dump_report_done},
+                                                      .done = 
crypto_dump_report_done,
+                                                      .module = THIS_MODULE},
 };
 
 static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
@@ -471,6 +473,7 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct 
nlmsghdr *nlh)
                                .dump = link->dump,
                                .done = link->done,
                                .min_dump_alloc = dump_alloc,
+                               .module = link->module,
                        };
                        return netlink_dump_start(crypto_nlsk, skb, nlh, &c);
                }
-- 
1.7.7.6

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