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authorOlaf Hering <olaf@aepfle.de>2013-08-07 15:45:12 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-12 15:44:57 -0700
commitb4fb0ca26055bb39b18a1427eea633877a3dcc80 (patch)
treea47b6bb598c0ea5bbc1265f35e07c2bae5d6556a /tools/hv/hv_vss_daemon.c
parent2bc41ea3b3fd4c2f2473ec84f4ee3ef5ff21e49b (diff)
downloadlinux-b4fb0ca26055bb39b18a1427eea633877a3dcc80.tar.gz
Tools: hv: use full nlmsghdr in netlink_send
There is no need to have a nlmsghdr pointer to another temporary buffer.
Instead use a full struct nlmsghdr.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/hv/hv_vss_daemon.c')
-rw-r--r--tools/hv/hv_vss_daemon.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c
index 7cd2544aa49b..8611962c672c 100644
--- a/tools/hv/hv_vss_daemon.c
+++ b/tools/hv/hv_vss_daemon.c
@@ -105,23 +105,18 @@ static int vss_operate(int operation)
 
 static int netlink_send(int fd, struct cn_msg *msg)
 {
-	struct nlmsghdr *nlh;
+	struct nlmsghdr nlh = { .nlmsg_type = NLMSG_DONE };
 	unsigned int size;
 	struct msghdr message;
-	char buffer[64];
 	struct iovec iov[2];
 
 	size = sizeof(struct cn_msg) + msg->len;
 
-	nlh = (struct nlmsghdr *)buffer;
-	nlh->nlmsg_seq = 0;
-	nlh->nlmsg_pid = getpid();
-	nlh->nlmsg_type = NLMSG_DONE;
-	nlh->nlmsg_len = NLMSG_LENGTH(size - sizeof(*nlh));
-	nlh->nlmsg_flags = 0;
+	nlh.nlmsg_pid = getpid();
+	nlh.nlmsg_len = NLMSG_LENGTH(size);
 
-	iov[0].iov_base = nlh;
-	iov[0].iov_len = sizeof(*nlh);
+	iov[0].iov_base = &nlh;
+	iov[0].iov_len = sizeof(nlh);
 
 	iov[1].iov_base = msg;
 	iov[1].iov_len = size;