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Message-Id: <1427749998-28464-1-git-send-email-fabf@skynet.be>
Date: Mon, 30 Mar 2015 23:13:09 +0200
From: Fabian Frederick <fabf@...net.be>
To: linux-kernel@...r.kernel.org
Cc: Fabian Frederick <fabf@...net.be>,
"David S. Miller" <davem@...emloft.net>,
Alexey Kuznetsov <kuznet@....inr.ac.ru>,
James Morris <jmorris@...ei.org>,
Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
Patrick McHardy <kaber@...sh.net>,
Steffen Klassert <steffen.klassert@...unet.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
netdev@...r.kernel.org
Subject: [PATCH 1/9 net-next] ipv4: replace if/BUG by BUG_ON
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
net/ipv4/devinet.c | 3 +--
net/ipv4/esp4.c | 3 +--
net/ipv4/icmp.c | 3 +--
net/ipv4/ip_output.c | 4 ++--
net/ipv4/ping.c | 3 +--
net/ipv4/tcp_input.c | 8 ++++----
net/ipv4/tcp_minisocks.c | 4 ++--
net/ipv4/tcp_output.c | 3 +--
8 files changed, 13 insertions(+), 18 deletions(-)
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 975ee5e..e4b53f7 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1715,8 +1715,7 @@ static int inet_set_link_af(struct net_device *dev, const struct nlattr *nla)
if (!in_dev)
return -EAFNOSUPPORT;
- if (nla_parse_nested(tb, IFLA_INET_MAX, nla, NULL) < 0)
- BUG();
+ BUG_ON(nla_parse_nested(tb, IFLA_INET_MAX, nla, NULL) < 0);
if (tb[IFLA_INET_CONF]) {
nla_for_each_nested(a, tb[IFLA_INET_CONF], rem)
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 60173d4..02d41d0 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -289,8 +289,7 @@ static int esp_input_done2(struct sk_buff *skb, int err)
if (unlikely(err))
goto out;
- if (skb_copy_bits(skb, skb->len-alen-2, nexthdr, 2))
- BUG();
+ BUG_ON(skb_copy_bits(skb, skb->len - alen - 2, nexthdr, 2));
err = -EINVAL;
padlen = nexthdr[0];
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 5e56401..6d59e26 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -922,8 +922,7 @@ static bool icmp_timestamp(struct sk_buff *skb)
icmp_param.data.times[1] = htonl((tv.tv_sec % 86400) * MSEC_PER_SEC +
tv.tv_nsec / NSEC_PER_MSEC);
icmp_param.data.times[2] = icmp_param.data.times[1];
- if (skb_copy_bits(skb, 0, &icmp_param.data.times[0], 4))
- BUG();
+ BUG_ON(skb_copy_bits(skb, 0, &icmp_param.data.times[0], 4));
icmp_param.data.icmph = *icmp_hdr(skb);
icmp_param.data.icmph.type = ICMP_TIMESTAMPREPLY;
icmp_param.data.icmph.code = 0;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 8259e77..f58f52b 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -695,8 +695,8 @@ slow_path:
/*
* Copy a block of the IP datagram.
*/
- if (skb_copy_bits(skb, ptr, skb_transport_header(skb2), len))
- BUG();
+ BUG_ON(skb_copy_bits(skb, ptr, skb_transport_header(skb2),
+ len));
left -= len;
/*
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 344e7cd..5536c2b 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -608,8 +608,7 @@ int ping_getfrag(void *from, char *to,
if (offset == 0) {
fraglen -= sizeof(struct icmphdr);
- if (fraglen < 0)
- BUG();
+ BUG_ON(fraglen < 0);
if (csum_and_copy_from_iter(to + sizeof(struct icmphdr),
fraglen, &pfh->wcheck,
&pfh->msg->msg_iter) != fraglen)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 023196f..7ae07a4 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4642,8 +4642,9 @@ restart:
BUG_ON(offset < 0);
if (size > 0) {
size = min(copy, size);
- if (skb_copy_bits(skb, offset, skb_put(nskb, size), size))
- BUG();
+ BUG_ON(skb_copy_bits(skb, offset,
+ skb_put(nskb, size),
+ size));
TCP_SKB_CB(nskb)->end_seq += size;
copy -= size;
start += size;
@@ -4966,8 +4967,7 @@ static void tcp_urg(struct sock *sk, struct sk_buff *skb, const struct tcphdr *t
/* Is the urgent pointer pointing into this packet? */
if (ptr < skb->len) {
u8 tmp;
- if (skb_copy_bits(skb, ptr, &tmp, 1))
- BUG();
+ BUG_ON(skb_copy_bits(skb, ptr, &tmp, 1));
tp->urg_data = TCP_URG_VALID | tmp;
if (!sock_flag(sk, SOCK_DEAD))
sk->sk_data_ready(sk);
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 274e96f..90e5c9f 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -334,8 +334,8 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
key = tp->af_specific->md5_lookup(sk, sk);
if (key != NULL) {
tcptw->tw_md5_key = kmemdup(key, sizeof(*key), GFP_ATOMIC);
- if (tcptw->tw_md5_key && !tcp_alloc_md5sig_pool())
- BUG();
+ BUG_ON(tcptw->tw_md5_key &&
+ !tcp_alloc_md5sig_pool());
}
} while (0);
#endif
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 2e69b8d..aa78fc2 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2564,8 +2564,7 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb)
return -EBUSY;
if (before(TCP_SKB_CB(skb)->seq, tp->snd_una)) {
- if (before(TCP_SKB_CB(skb)->end_seq, tp->snd_una))
- BUG();
+ BUG_ON(before(TCP_SKB_CB(skb)->end_seq, tp->snd_una));
if (tcp_trim_head(sk, skb, tp->snd_una - TCP_SKB_CB(skb)->seq))
return -ENOMEM;
}
--
1.9.1
--
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