Commit 6a78645b authored by Jim Harris's avatar Jim Harris Committed by Daniel Verkamp
Browse files

net: fix spdk_get_ifc_ipv4 request creation 



req needs to allocate space for the rtattr.

Signed-off-by: default avatarJim Harris <james.r.harris@intel.com>
Change-Id: Ic7a7c52ae6e2bb5e19b4dafcabf69c6df86bd671
parent b13fecd3

lib/net/interface.c

+4 −4
Original line number Diff line number Diff line
@@ -51,7 +51,7 @@ 
#include <errno.h>

#include <arpa/inet.h>

#include <pthread.h>



#include <assert.h>





static TAILQ_HEAD(, spdk_interface) g_interface_head;
@@ -68,8 +68,8 @@ static uint32_t spdk_get_ifc_ipv4(void) 
	struct {

		struct nlmsghdr n;

		struct ifaddrmsg r;

		struct rtattr rta;

	} req;

	struct rtattr *rta;

	char buf[16384];

	struct nlmsghdr *nlmp;

	struct ifaddrmsg *rtmp;
@@ -96,8 +96,8 @@ static uint32_t spdk_get_ifc_ipv4(void) 
	/*

	 * Fill up all the attributes for the rtnetlink header.

	 */

	rta = (struct rtattr *)(((char *)&req) + NLMSG_ALIGN(req.n.nlmsg_len));

	rta->rta_len = RTA_LENGTH(16);

	assert(&req.rta == (struct rtattr *)(((char *)&req) + NLMSG_ALIGN(req.n.nlmsg_len)));

	req.rta.rta_len = RTA_LENGTH(16);



	/* Send and recv the message from kernel */

	ret = send(netlink_fd, &req, req.n.nlmsg_len, 0);