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authorMarkus Armbruster <armbru@redhat.com>2015-05-15 13:58:58 +0200
committerStefan Hajnoczi <stefanha@redhat.com>2015-05-27 10:34:07 +0100
commit468dd82408e950d48def28f87e4cffabfd592ace (patch)
tree0c8ab84fa85e8914fffce19cc3a566940ce5abff /net/tap.c
parentac4fcf5639f44f7d863a35eaa2ad07ff31aabc01 (diff)
tap: Permit incremental conversion of tap_open() to Error
Convert the trivial ones immediately: tap-aix and tap-haiku. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1431691143-1015-11-git-send-email-armbru@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'net/tap.c')
-rw-r--r--net/tap.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/net/tap.c b/net/tap.c
index 93075c67e9..362df4235f 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -581,7 +581,7 @@ int net_init_bridge(const NetClientOptions *opts, const char *name,
static int net_tap_init(const NetdevTapOptions *tap, int *vnet_hdr,
const char *setup_script, char *ifname,
- size_t ifname_sz, int mq_required)
+ size_t ifname_sz, int mq_required, Error **errp)
{
Error *err = NULL;
int fd, vnet_hdr_required;
@@ -595,8 +595,12 @@ static int net_tap_init(const NetdevTapOptions *tap, int *vnet_hdr,
}
TFR(fd = tap_open(ifname, ifname_sz, vnet_hdr, vnet_hdr_required,
- mq_required));
+ mq_required, errp));
if (fd < 0) {
+ /* FIXME drop when all tap_open() store an Error */
+ if (errp && !*errp) {
+ error_setg(errp, "can't open tap device");
+ }
return -1;
}
@@ -605,7 +609,7 @@ static int net_tap_init(const NetdevTapOptions *tap, int *vnet_hdr,
strcmp(setup_script, "no") != 0) {
launch_script(setup_script, ifname, fd, &err);
if (err) {
- error_report_err(err);
+ error_propagate(errp, err);
close(fd);
return -1;
}
@@ -853,8 +857,9 @@ int net_init_tap(const NetClientOptions *opts, const char *name,
for (i = 0; i < queues; i++) {
fd = net_tap_init(tap, &vnet_hdr, i >= 1 ? "no" : script,
- ifname, sizeof ifname, queues > 1);
+ ifname, sizeof ifname, queues > 1, &err);
if (fd == -1) {
+ error_report_err(err);
return -1;
}