Re: [PATCH] decnet: af_decnet: pmc should not be referenced when it's NULL

From: gushengxian <redacted>

pmc should not be referenced when it's NULL.

Signed-off-by: gushengxian <redacted>
---
 net/decnet/af_decnet.c | 67 ++++++++++++++++--------------------------
 1 file changed, 25 insertions(+), 42 deletions(-)

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 5dbd45dc35ad..be2758ac40cb 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c

@@ -152,7 +152,8 @@ static atomic_long_t decnet_memory_allocated;
 
 static int __dn_setsockopt(struct socket *sock, int level, int optname,
 		sockptr_t optval, unsigned int optlen, int flags);
-static int __dn_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen, int flags);
+static int __dn_getsockopt(struct socket *sock, int level, int optname,
+		char __user *optval, int __user *optlen, int flags);
 
 static struct hlist_head *dn_find_list(struct sock *sk)
 {

@@ -176,6 +177,7 @@ static int check_port(__le16 port)
 
 	sk_for_each(sk, &dn_sk_hash[le16_to_cpu(port) & DN_SK_HASH_MASK]) {
 		struct dn_scp *scp = DN_SK(sk);
+
 		if (scp->addrloc == port)
 			return -1;