summary refs log tree commit diff
path: root/crypto/crypto_user.c
diff options
context:
space:
mode:
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,