svn commit: r298400 - head/sys/ofed/drivers/infiniband/core

[Hans Petter Selasky]

Author: hselasky
Date: Thu Apr 21 11:32:22 2016
New Revision: 298400
URL: https://svnweb.freebsd.org/changeset/base/298400

Log:
  Properly setup arguments for if_resolvemulti() callback.
  
  Sponsored by:	Mellanox Technologies
  MFC after:	1 week

Modified:
  head/sys/ofed/drivers/infiniband/core/addr.c

Modified: head/sys/ofed/drivers/infiniband/core/addr.c
==============================================================================
--- head/sys/ofed/drivers/infiniband/core/addr.c	Thu Apr 21 11:02:06 2016	(r298399)
+++ head/sys/ofed/drivers/infiniband/core/addr.c	Thu Apr 21 11:32:22 2016	(r298400)
@@ -310,13 +310,19 @@ mcast:
 		return rdma_copy_addr(addr, ifp, ifp->if_broadcastaddr);
 	if (multi) {
 		struct sockaddr *llsa;
+		struct sockaddr_dl sdl;
+
+		sdl.sdl_len = sizeof(sdl);
+		llsa = (struct sockaddr *)&sdl;
+
+		if (ifp->if_resolvemulti == NULL)
+			return -EOPNOTSUPP;
 
 		error = ifp->if_resolvemulti(ifp, &llsa, dst_in);
 		if (error)
 			return -error;
 		error = rdma_copy_addr(addr, ifp,
 		    LLADDR((struct sockaddr_dl *)llsa));
-		free(llsa, M_IFMADDR);
 		if (error == 0)
 			memcpy(src_in, ifa->ifa_addr, ip_addr_size(ifa->ifa_addr));
 		return error;