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Commit a88b9ce5 authored by Hong zhi guo's avatar Hong zhi guo Committed by David S. Miller
Browse files

netlink: remove duplicated NLMSG_ALIGN 



NLMSG_HDRLEN is already aligned value. It's for directly reference
without extra alignment.

The redundant alignment here may confuse the API users.

Signed-off-by: default avatarHong Zhiguo <honkiko@gmail.com>
Acked-by: default avatarThomas Graf <tgraf@suug.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 03c9d7ab

include/uapi/linux/netlink.h

+1 −1
Original line number Diff line number Diff line
@@ -78,7 +78,7 @@ struct nlmsghdr { 
#define NLMSG_ALIGNTO	4U

#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )

#define NLMSG_HDRLEN	 ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))

#define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(NLMSG_HDRLEN))

#define NLMSG_LENGTH(len) ((len) + NLMSG_HDRLEN)

#define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))

#define NLMSG_DATA(nlh)  ((void*)(((char*)nlh) + NLMSG_LENGTH(0)))

#define NLMSG_NEXT(nlh,len)	 ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \