diff options
| author | Olaf Hering <olaf@aepfle.de> | 2013-08-07 15:45:12 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-12 15:44:57 -0700 |
| commit | b4fb0ca26055bb39b18a1427eea633877a3dcc80 (patch) | |
| tree | a47b6bb598c0ea5bbc1265f35e07c2bae5d6556a /tools | |
| parent | 2bc41ea3b3fd4c2f2473ec84f4ee3ef5ff21e49b (diff) | |
| download | lwn-b4fb0ca26055bb39b18a1427eea633877a3dcc80.tar.gz lwn-b4fb0ca26055bb39b18a1427eea633877a3dcc80.zip | |
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')
| -rw-r--r-- | tools/hv/hv_kvp_daemon.c | 15 | ||||
| -rw-r--r-- | tools/hv/hv_vss_daemon.c | 15 |
2 files changed, 10 insertions, 20 deletions
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c index dca06a26ee2a..8fd9ec66121c 100644 --- a/tools/hv/hv_kvp_daemon.c +++ b/tools/hv/hv_kvp_daemon.c @@ -1392,23 +1392,18 @@ kvp_get_domain_name(char *buffer, int length) 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; 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; |