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authorDavid S. Miller <davem@davemloft.net>2012-04-01 20:39:02 -0400
committerDavid S. Miller <davem@davemloft.net>2012-04-02 04:33:43 -0400
commitf3756b79e8f76cb92830383c215deba146fe0a26 (patch)
tree107c0e99681a0b26b2e750b3fc7a0b01ba1404aa /net/ipv4/ipmr.c
parente549a6b3a5acff66f0427091e44f814943a26a86 (diff)
downloadop-kernel-dev-f3756b79e8f76cb92830383c215deba146fe0a26.zip
op-kernel-dev-f3756b79e8f76cb92830383c215deba146fe0a26.tar.gz
ipv4: Stop using NLA_PUT*().
These macros contain a hidden goto, and are thus extremely error prone and make code hard to audit. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ipmr.c')
-rw-r--r--net/ipv4/ipmr.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 0518a4f..dcf4d7f 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2120,15 +2120,16 @@ static int ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb,
rtm->rtm_src_len = 32;
rtm->rtm_tos = 0;
rtm->rtm_table = mrt->id;
- NLA_PUT_U32(skb, RTA_TABLE, mrt->id);
+ if (nla_put_u32(skb, RTA_TABLE, mrt->id))
+ goto nla_put_failure;
rtm->rtm_type = RTN_MULTICAST;
rtm->rtm_scope = RT_SCOPE_UNIVERSE;
rtm->rtm_protocol = RTPROT_UNSPEC;
rtm->rtm_flags = 0;
- NLA_PUT_BE32(skb, RTA_SRC, c->mfc_origin);
- NLA_PUT_BE32(skb, RTA_DST, c->mfc_mcastgrp);
-
+ if (nla_put_be32(skb, RTA_SRC, c->mfc_origin) ||
+ nla_put_be32(skb, RTA_DST, c->mfc_mcastgrp))
+ goto nla_put_failure;
if (__ipmr_fill_mroute(mrt, skb, c, rtm) < 0)
goto nla_put_failure;
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