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| author | David Sterba <dsterba@suse.com> | 2016-02-26 15:38:32 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-02-26 15:38:32 +0100 |
| commit | 675d276b322b45e7bf7c616a2847bdc425745b99 (patch) | |
| tree | c61e7108034bf1230024880ec8ae46a9617077c2 /crypto/crypto_user.c | |
| parent | e9ddd77a31e6ba2867b9c33547f6f079d55f7a72 (diff) | |
| parent | 73beece9ca07c003e0e4f4825b12be167334d4ad (diff) | |
Merge branch 'foreign/liubo/replace-lockup' into for-chris-4.6
Diffstat (limited to 'crypto/crypto_user.c')
| -rw-r--r-- | crypto/crypto_user.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c index 237f3795cfaa..43fe85f20d57 100644 --- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -499,6 +499,7 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) if (link->dump == NULL) return -EINVAL; + down_read(&crypto_alg_sem); list_for_each_entry(alg, &crypto_alg_list, cra_list) dump_alloc += CRYPTO_REPORT_MAXSIZE; @@ -508,8 +509,11 @@ static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) .done = link->done, .min_dump_alloc = dump_alloc, }; - return netlink_dump_start(crypto_nlsk, skb, nlh, &c); + err = netlink_dump_start(crypto_nlsk, skb, nlh, &c); } + up_read(&crypto_alg_sem); + + return err; } err = nlmsg_parse(nlh, crypto_msg_min[type], attrs, CRYPTOCFGA_MAX, |