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add wl_ioctl error handling 

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@583 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2005-04-08 14:17:44 +00:00
parent d015949354
commit 22b1da210b
1 changed files with 34 additions and 26 deletions
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60
package/openwrt/wlcompat.c
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@ -90,8 +90,6 @@ static int wlcompat_ioctl(struct net_device *dev,
union iwreq_data *wrqu, union iwreq_data *wrqu,
char *extra) char *extra)
{ {
int err = 0;
switch (info->cmd) { switch (info->cmd) {
case SIOCGIWNAME: case SIOCGIWNAME:
strcpy(wrqu->name, "IEEE 802.11-DS"); strcpy(wrqu->name, "IEEE 802.11-DS");
@ -99,7 +97,10 @@ static int wlcompat_ioctl(struct net_device *dev,
case SIOCGIWFREQ: case SIOCGIWFREQ:
{ {
channel_info_t ci; channel_info_t ci;
wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci));
if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
return -EINVAL;
wrqu->freq.m = ci.target_channel; wrqu->freq.m = ci.target_channel;
wrqu->freq.e = 0; wrqu->freq.e = 0;
break; break;
@ -112,29 +113,33 @@ static int wlcompat_ioctl(struct net_device *dev,
while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel])) while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
channel++; channel++;
if (channel == NUM_CHANNELS) { // channel not found if (channel == NUM_CHANNELS) // channel not found
err = -EINVAL; return -EINVAL;
} else {
wrqu->freq.e = 0; wrqu->freq.e = 0;
wrqu->freq.m = channel + 1; wrqu->freq.m = channel + 1;
}
} }
if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) { if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)); if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
return -EINVAL;
} else { } else {
err = -EINVAL; return -EINVAL;
} }
} }
case SIOCGIWAP: case SIOCGIWAP:
{ {
wrqu->ap_addr.sa_family = ARPHRD_ETHER; wrqu->ap_addr.sa_family = ARPHRD_ETHER;
wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6); if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
return -EINVAL;
break; break;
} }
case SIOCGIWESSID: case SIOCGIWESSID:
{ {
wlc_ssid_t ssid; wlc_ssid_t ssid;
wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t));
if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
return -EINVAL;
wrqu->essid.flags = wrqu->data.flags = 1; wrqu->essid.flags = wrqu->data.flags = 1;
wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1; wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
memcpy(extra,ssid.SSID,ssid.SSID_len + 1); memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
@ -148,23 +153,27 @@ static int wlcompat_ioctl(struct net_device *dev,
if (ssid.SSID_len > WLC_ESSID_MAX_SIZE) if (ssid.SSID_len > WLC_ESSID_MAX_SIZE)
ssid.SSID_len = WLC_ESSID_MAX_SIZE; ssid.SSID_len = WLC_ESSID_MAX_SIZE;
memcpy(ssid.SSID, extra, ssid.SSID_len); memcpy(ssid.SSID, extra, ssid.SSID_len);
wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)); if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
return -EINVAL;
break; break;
} }
case SIOCGIWRTS: case SIOCGIWRTS:
{ {
wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)); if (wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int)) < 0)
return -EINVAL;
break; break;
} }
case SIOCGIWFRAG: case SIOCGIWFRAG:
{ {
wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)); if (wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int)) < 0)
return -EINVAL;
break; break;
} }
case SIOCGIWTXPOW: case SIOCGIWTXPOW:
{ {
wrqu->txpower.value = 0; wrqu->txpower.value = 0;
wl_ioctl(dev,WLC_GET_TXPWR, &(wrqu->txpower.value), sizeof(int)); if (wl_ioctl(dev,WLC_GET_TXPWR, &(wrqu->txpower.value), sizeof(int)) < 0)
return -EINVAL;
wrqu->txpower.fixed = 0; wrqu->txpower.fixed = 0;
wrqu->txpower.disabled = 0; wrqu->txpower.disabled = 0;
wrqu->txpower.flags = IW_TXPOW_MWATT; wrqu->txpower.flags = IW_TXPOW_MWATT;
@ -172,11 +181,11 @@ static int wlcompat_ioctl(struct net_device *dev,
} }
case SIOCSIWTXPOW: case SIOCSIWTXPOW:
{ {
if (wrqu->txpower.flags != IW_TXPOW_MWATT) { if (wrqu->txpower.flags != IW_TXPOW_MWATT)
err = -EINVAL; return -EINVAL;
} else {
wl_ioctl(dev, WLC_SET_TXPWR, &wrqu->txpower.value, sizeof(int)); if (wl_ioctl(dev, WLC_SET_TXPWR, &wrqu->txpower.value, sizeof(int)) < 0)
} return -EINVAL;
} }
case SIOCGIWENCODE: case SIOCGIWENCODE:
{ {
@ -185,17 +194,16 @@ static int wlcompat_ioctl(struct net_device *dev,
} }
case SIOCGIWRANGE: case SIOCGIWRANGE:
{ {
err = wlcompat_ioctl_getiwrange(dev, extra); return wlcompat_ioctl_getiwrange(dev, extra);
break; break;
} }
default: default:
{ {
err = -EINVAL; return -EINVAL;
break;
} }
} }
return err; return 0;
} }
static const iw_handler wlcompat_handler[] = { static const iw_handler wlcompat_handler[] = {