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| author | Markus Armbruster <armbru@redhat.com> | 2015-05-15 13:58:59 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-05-27 10:34:07 +0100 |
| commit | 47896e2fd3dd80685434b320cb0e10164995e31c (patch) | |
| tree | 4f3911d8c283e209274a502998d7531e05e01f54 /net/tap-linux.c | |
| parent | 468dd82408e950d48def28f87e4cffabfd592ace (diff) | |
| download | qemu-47896e2fd3dd80685434b320cb0e10164995e31c.zip qemu-47896e2fd3dd80685434b320cb0e10164995e31c.tar.gz qemu-47896e2fd3dd80685434b320cb0e10164995e31c.tar.bz2 | |
tap-linux: Convert tap_open() to Error
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 1431691143-1015-12-git-send-email-armbru@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'net/tap-linux.c')
| -rw-r--r-- | net/tap-linux.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/tap-linux.c b/net/tap-linux.c index be18382..6c3caef 100644 --- a/net/tap-linux.c +++ b/net/tap-linux.c @@ -39,7 +39,6 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, int vnet_hdr_required, int mq_required, Error **errp) { - /* FIXME error_setg(errp, ...) on failure */ struct ifreq ifr; int fd, ret; int len = sizeof(struct virtio_net_hdr); @@ -47,7 +46,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, TFR(fd = open(PATH_NET_TUN, O_RDWR)); if (fd < 0) { - error_report("could not open %s: %m", PATH_NET_TUN); + error_setg_errno(errp, errno, "could not open %s", PATH_NET_TUN); return -1; } memset(&ifr, 0, sizeof(ifr)); @@ -71,8 +70,8 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, } if (vnet_hdr_required && !*vnet_hdr) { - error_report("vnet_hdr=1 requested, but no kernel " - "support for IFF_VNET_HDR available"); + error_setg(errp, "vnet_hdr=1 requested, but no kernel " + "support for IFF_VNET_HDR available"); close(fd); return -1; } @@ -87,8 +86,8 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, if (mq_required) { if (!(features & IFF_MULTI_QUEUE)) { - error_report("multiqueue required, but no kernel " - "support for IFF_MULTI_QUEUE available"); + error_setg(errp, "multiqueue required, but no kernel " + "support for IFF_MULTI_QUEUE available"); close(fd); return -1; } else { @@ -103,9 +102,11 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr, ret = ioctl(fd, TUNSETIFF, (void *) &ifr); if (ret != 0) { if (ifname[0] != '\0') { - error_report("could not configure %s (%s): %m", PATH_NET_TUN, ifr.ifr_name); + error_setg_errno(errp, errno, "could not configure %s (%s)", + PATH_NET_TUN, ifr.ifr_name); } else { - error_report("could not configure %s: %m", PATH_NET_TUN); + error_setg_errno(errp, errno, "could not configure %s", + PATH_NET_TUN); } close(fd); return -1; |