提交 1dc09776 编写于 作者: J Johannes Berg 提交者: John W. Linville

[PATCH] softmac: scan at least once before selecting a network by essid

Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 48b2e4ce
......@@ -164,8 +164,11 @@ ieee80211softmac_assoc_work(void *d)
if (mac->associnfo.bssvalid)
found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
/* Search the ieee80211 networks for this network if we didn't find it */
if (!found)
/* Search the ieee80211 networks for this network if we didn't find it by bssid,
* but only if we've scanned at least once (to get a better list of networks to
* select from). If we have not scanned before, the !found logic below will be
* invoked and will scan. */
if (!found && (mac->associnfo.scan_retry < IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT))
{
s8 rssi = -128; /* if I don't initialise, gcc emits an invalid warning
because it cannot follow the best pointer logic. */
......@@ -218,12 +221,10 @@ ieee80211softmac_assoc_work(void *d)
* NB: this also happens if we had no memory to copy the network info...
* Maybe we can hope to have more memory after scanning finishes ;)
*/
dprintk(KERN_INFO PFX "Associate: Network not known, trying to initiate scan: ");
dprintk(KERN_INFO PFX "Associate: Scanning for networks first.\n");
ieee80211softmac_notify(mac->dev, IEEE80211SOFTMAC_EVENT_SCAN_FINISHED, ieee80211softmac_assoc_notify, NULL);
if (ieee80211softmac_start_scan(mac))
dprintk("failed.\n");
else
dprintk("ok.\n");
dprintk(KERN_INFO PFX "Associate: failed to initiate scan. Is device up?\n");
return;
}
else {
......@@ -232,7 +233,7 @@ ieee80211softmac_assoc_work(void *d)
mac->associated = 0;
spin_unlock_irqrestore(&mac->lock, flags);
dprintk(KERN_INFO PFX "Unable to find network after scan!\n");
dprintk(KERN_INFO PFX "Unable to find matching network after scan!\n");
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_NET_NOT_FOUND, NULL);
return;
}
......
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