[PATCH net-next] netlink: gc useless variable in nlmsg_attrdata()
From: Alexey Dobriyan <hidden>
Date: 2021-08-12 21:24:09
Kernel permits pointer arithmetic on "void*" so might as well use it without casts back and forth. Signed-off-by: Alexey Dobriyan <redacted> --- include/net/netlink.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/include/net/netlink.h
+++ b/include/net/netlink.h@@ -587,8 +587,7 @@ static inline int nlmsg_len(const struct nlmsghdr *nlh) static inline struct nlattr *nlmsg_attrdata(const struct nlmsghdr *nlh, int hdrlen) { - unsigned char *data = nlmsg_data(nlh); - return (struct nlattr *) (data + NLMSG_ALIGN(hdrlen)); + return nlmsg_data(nlh) + NLMSG_ALIGN(hdrlen); } /**