Patchwork [net-next,2/4] ipv4: Use IS_ERR_OR_NULL().

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Submitter YOSHIFUJI Hideaki / 吉藤英明
Date Jan. 22, 2013, 4:32 p.m.
Message ID <50FEBF31.1000707@linux-ipv6.org>
Download mbox | patch
Permalink /patch/214590/
State Accepted
Delegated to: David Miller
Headers show

Comments

YOSHIFUJI Hideaki / 吉藤英明 - Jan. 22, 2013, 4:32 p.m.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
---
 net/ipv4/af_inet.c |    2 +-
 net/ipv4/tcp.c     |    2 +-
 net/ipv4/udp.c     |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

Patch

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 4fdf967..4b70539 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1333,7 +1333,7 @@  static struct sk_buff *inet_gso_segment(struct sk_buff *skb,
 		segs = ops->callbacks.gso_segment(skb, features);
 	rcu_read_unlock();
 
-	if (!segs || IS_ERR(segs))
+	if (IS_ERR_OR_NULL(segs))
 		goto out;
 
 	skb = segs;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 2aa69c8..5227194 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3243,7 +3243,7 @@  __tcp_alloc_md5sig_pool(struct sock *sk)
 		struct crypto_hash *hash;
 
 		hash = crypto_alloc_hash("md5", 0, CRYPTO_ALG_ASYNC);
-		if (!hash || IS_ERR(hash))
+		if (IS_ERR_OR_NULL(hash))
 			goto out_free;
 
 		per_cpu_ptr(pool, cpu)->md5_desc.tfm = hash;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 79c8dbe..cf6158f 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -971,7 +971,7 @@  back_from_confirm:
 				  sizeof(struct udphdr), &ipc, &rt,
 				  msg->msg_flags);
 		err = PTR_ERR(skb);
-		if (skb && !IS_ERR(skb))
+		if (!IS_ERR_OR_NULL(skb))
 			err = udp_send_skb(skb, fl4);
 		goto out;
 	}