Commit 4b8fe663 authored Dec 17, 2010 by Dmitry V. Levin Committed by David S. Miller Dec 17, 2010

netlink: fix gcc -Wconversion compilation warning



$ cat << EOF | gcc -Wconversion -xc -S -o/dev/null -
unsigned f(void) {return NLMSG_HDRLEN;}
EOF
<stdin>: In function 'f':
<stdin>:3:26: warning: negative integer implicitly converted to unsigned type

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent f4680d3d

include/linux/netlink.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -70,7 +70,7 @@ struct nlmsghdr {
		Check NLM_F_EXCL
		*/

		#define NLMSG_ALIGNTO 4
		#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))