qemu/0041-tap-Use-numbered-tap-tun-devices-on-all-BSD-OS-s.patch
Cole Robinson 2983660f65 Rebase to pending 1.6.1 stable
CVE-2013-4377: Fix crash when unplugging virtio devices (bz #1012633, bz #1012641)
Fix 'new snapshot' slowness after the first snap (bz #988436)
Fix 9pfs xattrs on kernel 3.11 (bz #1013676)
CVE-2013-4344: buffer overflow in scsi_target_emulate_report_luns (bz #1015274, bz #1007330)
2013-10-06 14:33:55 -04:00

48 lines
1.6 KiB
Diff

From 6bbb9d8100c90deb4843bfa3cf36e75b843c495b Mon Sep 17 00:00:00 2001
From: Brad Smith <brad@comstyle.com>
Date: Sat, 3 Aug 2013 22:20:41 -0400
Subject: [PATCH] tap: Use numbered tap/tun devices on all *BSD OS's
The following patch simplifies the *BSD tap/tun code and makes use of numbered
tap/tun interfaces on all *BSD OS's. NetBSD has a patch in their pkgsrc tree
to make use of this feature and DragonFly also supports this as well.
Signed-off-by: Brad Smith <brad@comstyle.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
(cherry picked from commit aa4f082f7526d39dac8e2ca64d192d858014ee10)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
net/tap-bsd.c | 11 -----------
1 file changed, 11 deletions(-)
diff --git a/net/tap-bsd.c b/net/tap-bsd.c
index f61d580..90f8a02 100644
--- a/net/tap-bsd.c
+++ b/net/tap-bsd.c
@@ -44,8 +44,6 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
struct stat s;
#endif
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
- defined(__OpenBSD__) || defined(__APPLE__)
/* if no ifname is given, always start the search from tap0/tun0. */
int i;
char dname[100];
@@ -76,15 +74,6 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
dname, strerror(errno));
return -1;
}
-#else
- TFR(fd = open("/dev/tap", O_RDWR));
- if (fd < 0) {
- fprintf(stderr,
- "warning: could not open /dev/tap: no virtual network emulation: %s\n",
- strerror(errno));
- return -1;
- }
-#endif
#ifdef TAPGIFNAME
if (ioctl(fd, TAPGIFNAME, (void *)&ifr) < 0) {