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authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>2013-01-22 06:32:49 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-22 14:28:28 -0500
commit50c3a487d507568359ccbce1b15bcdfc01edf7ef (patch)
tree78d3978bde268dabbdc92c3ce25ccb3fcf95e4b5
parent8fbcec241df21d1ba2aba09974ea9017832b69b0 (diff)
downloadlinux-50c3a487d507568359ccbce1b15bcdfc01edf7ef.tar.bz2
ipv4: Use IS_ERR_OR_NULL().
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/af_inet.c2
-rw-r--r--net/ipv4/tcp.c2
-rw-r--r--net/ipv4/udp.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 4fdf96710d45..4b7053919976 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 2aa69c8ae60c..52271947a471 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 79c8dbe59b54..cf6158f1f46b 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;
}