[PATCH] orinoco: Optimize orinoco_join_ap()
Signed-off-by: Pavel Roskin <proski@gnu.org>
diff-tree cb289b9f9b2a0f3ae7070a008f22e383b37526ee (from 56bfcdb38b3d04c1f8c1fd705e411f4be53b663c)
Author: Pavel Roskin <proski@gnu.org>
Date: Thu Sep 1 19:05:16 2005 -0400
Optimize orinoco_join_ap() - break from loop once the requested
BSSID
is found.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 95eb05a..8de49fe 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -1053,8 +1053,9 @@
u16 channel;
} __attribute__ ((packed)) req;
const int atom_len = offsetof(struct prism2_scan_apinfo, atim);
- struct prism2_scan_apinfo *atom;
+ struct prism2_scan_apinfo *atom = NULL;
int offset = 4;
+ int found = 0;
u8 *buf;
u16 len;
@@ -1089,15 +1090,18 @@
* we were requested to join */
for (; offset + atom_len <= len; offset += atom_len) {
atom = (struct prism2_scan_apinfo *) (buf + offset);
- if (memcmp(&atom->bssid, priv->desired_bssid, ETH_ALEN) == 0)
- goto found;
+ if (memcmp(&atom->bssid, priv->desired_bssid, ETH_ALEN) == 0) {
+ found = 1;
+ break;
+ }
}
- DEBUG(1, "%s: Requested AP not found in scan results\n",
- dev->name);
- goto out;
+ if (! found) {
+ DEBUG(1, "%s: Requested AP not found in scan results\n",
+ dev->name);
+ goto out;
+ }
- found:
memcpy(req.bssid, priv->desired_bssid, ETH_ALEN);
req.channel = atom->channel; /* both are little-endian */
err = HERMES_WRITE_RECORD(hw, USER_BAP, HERMES_RID_CNFJOINREQUEST,