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authorLinus Walleij <linus.walleij@linaro.org>2016-03-10 09:29:25 +0700
committerLinus Walleij <linus.walleij@linaro.org>2016-03-10 09:29:25 +0700
commitcc998d8bc74341f6bbbcd63ab4449a6acfc45ee9 (patch)
tree2f4e23fa1ceb83b3e720afd52d9a5ef2be26c77e /crypto/crypto_user.c
parentd2d13ed01362ecddc3f76f9cca31b0cd5d663a7e (diff)
parent81f70ba233d5f660e1ea5fe23260ee323af5d53a (diff)
Merge tag 'v4.5-rc5' into devel
Linux 4.5-rc5
Diffstat (limited to 'crypto/crypto_user.c')
-rw-r--r--crypto/crypto_user.c6
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,