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net: return TAPState from net_tap_init() 

net_tap_fd_init() already returns TAPState, so this is a sensible
cleanup in its own right.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Mark McLoughlin 2009-06-18 18:21:33 +01:00 committed by Anthony Liguori
parent 1f7babf6d5
commit 4a77b25e2a
1 changed files with 16 additions and 11 deletions
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23
net.c
View File

@ -1429,7 +1429,7 @@ static int launch_script(const char *setup_script, const char *ifname, int fd)
return -1;
}
static int net_tap_init(VLANState *vlan, const char *model,
static TAPState *net_tap_init(VLANState *vlan, const char *model,
const char *name, const char *ifname1,
const char *setup_script, const char *down_script)
{
@ -1443,13 +1443,13 @@ static int net_tap_init(VLANState *vlan, const char *model,
ifname[0] = '\0';
TFR(fd = tap_open(ifname, sizeof(ifname)));
if (fd < 0)
return -1;
return NULL;
if (!setup_script || !strcmp(setup_script, "no"))
setup_script = "";
if (setup_script[0] != '\0') {
if (launch_script(setup_script, ifname, fd))
return -1;
if (setup_script[0] != '\0' &&
launch_script(setup_script, ifname, fd)) {
return NULL;
}
s = net_tap_fd_init(vlan, model, name, fd);
snprintf(s->vc->info_str, sizeof(s->vc->info_str),
@ -1459,7 +1459,7 @@ static int net_tap_init(VLANState *vlan, const char *model,
snprintf(s->down_script, sizeof(s->down_script), "%s", down_script);
snprintf(s->down_script_arg, sizeof(s->down_script_arg), "%s", ifname);
}
return 0;
return s;
}
#endif /* !_WIN32 */
@ -2294,6 +2294,7 @@ int net_client_init(Monitor *mon, const char *device, const char *p)
if (!strcmp(device, "tap")) {
char ifname[64], chkbuf[64];
char setup_script[1024], down_script[1024];
TAPState *s;
int fd;
vlan->nb_host_devs++;
if (get_param_value(buf, sizeof(buf), "fd", p) > 0) {
@ -2304,8 +2305,7 @@ int net_client_init(Monitor *mon, const char *device, const char *p)
}
fd = strtol(buf, NULL, 0);
fcntl(fd, F_SETFL, O_NONBLOCK);
net_tap_fd_init(vlan, device, name, fd);
ret = 0;
s = net_tap_fd_init(vlan, device, name, fd);
} else {
static const char * const tap_params[] = {
"vlan", "name", "ifname", "script", "downscript", NULL
@ -2324,7 +2324,12 @@ int net_client_init(Monitor *mon, const char *device, const char *p)
if (get_param_value(down_script, sizeof(down_script), "downscript", p) == 0) {
pstrcpy(down_script, sizeof(down_script), DEFAULT_NETWORK_DOWN_SCRIPT);
}
ret = net_tap_init(vlan, device, name, ifname, setup_script, down_script);
s = net_tap_init(vlan, device, name, ifname, setup_script, down_script);
}
if (s != NULL) {
ret = 0;
} else {
ret = -1;
}
} else
#endif