# \[PATCH -next\] mctp: remove unnecessary check before calling kfree\_skb()

- From: Yang Yingliang \<hidden\>
- Date: 2021-11-30 03:06:04 
- List: netdev
- Page: https://ratatoskr.run/netdev/2021/11/1590796
- Thread: https://ratatoskr.run/netdev/2021/11/1590796/t.md

```text
The skb will be checked inside kfree_skb(), so remove the
outside check.

Signed-off-by: Yang Yingliang <redacted>
---
 net/mctp/af_mctp.c | 3 +--
 net/mctp/route.c   | 4 +---
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/net/mctp/af_mctp.c b/net/mctp/af_mctp.c
index 871cf6266125..c921de63b494 100644
--- a/net/mctp/af_mctp.c
+++ b/net/mctp/af_mctp.c
@@ -405,8 +405,7 @@ static void mctp_sk_unhash(struct sock *sk)
 		trace_mctp_key_release(key, MCTP_TRACE_KEY_CLOSED);
 
 		spin_lock(&key->lock);
-		if (key->reasm_head)
-			kfree_skb(key->reasm_head);
+		kfree_skb(key->reasm_head);
 		key->reasm_head = NULL;
 		key->reasm_dead = true;
 		key->valid = false;
diff --git a/net/mctp/route.c b/net/mctp/route.c
index 46c44823edb7..8d759b48f747 100644
--- a/net/mctp/route.c
+++ b/net/mctp/route.c
@@ -231,9 +231,7 @@ static void __mctp_key_unlock_drop(struct mctp_sk_key *key, struct net *net,
 	/* and one for the local reference */
 	mctp_key_unref(key);
 
-	if (skb)
-		kfree_skb(skb);
-
+	kfree_skb(skb);
 }
 
 #ifdef CONFIG_MCTP_FLOWS
-- 
2.25.1

```