diff options
| -rw-r--r-- | sys/compat/linux/linux_ioctl.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_ioctl.c b/sys/compat/linux/linux_ioctl.c index 8acc5929258c..7688fe51db50 100644 --- a/sys/compat/linux/linux_ioctl.c +++ b/sys/compat/linux/linux_ioctl.c @@ -2152,6 +2152,7 @@ linux_ifconf(struct thread *td, struct ifconf *uifc) /* handle the 'request buffer size' case */ if (ifc.ifc_buf == PTROUT(NULL)) { ifc.ifc_len = 0; + IFNET_RLOCK(); TAILQ_FOREACH(ifp, &V_ifnet, if_link) { TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { struct sockaddr *sa = ifa->ifa_addr; @@ -2159,6 +2160,7 @@ linux_ifconf(struct thread *td, struct ifconf *uifc) ifc.ifc_len += sizeof(ifr); } } + IFNET_RUNLOCK(); error = copyout(&ifc, uifc, sizeof(ifc)); CURVNET_RESTORE(); return (error); |