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| author | Gu Zheng <guz.fnst@cn.fujitsu.com> | 2014-12-11 11:22:04 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-12-10 22:41:55 -0500 |
| commit | f95b414edb18de59940dcebbefb49cf25c6d505c (patch) | |
| tree | 654de508641fd2c82428f43387b72fd1a3dcef42 /net/dccp | |
| parent | dd0bcc0bc842e0d2c981102376d867c1a8bad320 (diff) | |
| download | lwn-f95b414edb18de59940dcebbefb49cf25c6d505c.tar.gz lwn-f95b414edb18de59940dcebbefb49cf25c6d505c.zip | |
net: introduce helper macro for_each_cmsghdr
Introduce helper macro for_each_cmsghdr as a wrapper of the enumerating
cmsghdr from msghdr, just cleanup.
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp')
| -rw-r--r-- | net/dccp/proto.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 19f038739087..e171b780b499 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -703,7 +703,7 @@ EXPORT_SYMBOL_GPL(compat_dccp_getsockopt); static int dccp_msghdr_parse(struct msghdr *msg, struct sk_buff *skb) { - struct cmsghdr *cmsg = CMSG_FIRSTHDR(msg); + struct cmsghdr *cmsg; /* * Assign an (opaque) qpolicy priority value to skb->priority. @@ -717,8 +717,7 @@ static int dccp_msghdr_parse(struct msghdr *msg, struct sk_buff *skb) */ skb->priority = 0; - for (; cmsg != NULL; cmsg = CMSG_NXTHDR(msg, cmsg)) { - + for_each_cmsghdr(cmsg, msg) { if (!CMSG_OK(msg, cmsg)) return -EINVAL; |