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authorGu Zheng <[email protected]>2014-12-11 03:22:04 +0000
committerDavid S. Miller <[email protected]>2014-12-11 03:41:55 +0000
commitf95b414edb18de59940dcebbefb49cf25c6d505c (patch)
tree654de508641fd2c82428f43387b72fd1a3dcef42 /net/core/scm.c
parentcxgb4/cxgb4vf: global named must be unique (diff)
downloadkernel-f95b414edb18de59940dcebbefb49cf25c6d505c.tar.gz
kernel-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 <[email protected]> Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/core/scm.c')
-rw-r--r--net/core/scm.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/core/scm.c b/net/core/scm.c
index b442e7e25e60..3b6899b7d810 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -129,8 +129,7 @@ int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p)
struct cmsghdr *cmsg;
int err;
- for (cmsg = CMSG_FIRSTHDR(msg); cmsg; cmsg = CMSG_NXTHDR(msg, cmsg))
- {
+ for_each_cmsghdr(cmsg, msg) {
err = -EINVAL;
/* Verify that cmsg_len is at least sizeof(struct cmsghdr) */