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ath9k: Move rate control alg register/unregister to appropriate place 

This patch makes sure the rate control alg is registered/unregistered
only once for this module.

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Vasanthakumar Thiagarajan 2008-12-16 12:37:38 +05:30 committed by John W. Linville
parent 9bf9fca8de
commit ca8a856056
1 changed files with 14 additions and 16 deletions
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30
drivers/net/wireless/ath9k/main.c
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@ -1229,9 +1229,6 @@ static void ath_detach(struct ath_softc *sc)
ath_deinit_leds(sc);
ieee80211_unregister_hw(hw);
ath_rate_control_unregister();
ath_rx_cleanup(sc);
ath_tx_cleanup(sc);
@ -1512,15 +1509,7 @@ static int ath_attach(u16 devid, struct ath_softc *sc)
hw->sta_data_size = sizeof(struct ath_node);
hw->vif_data_size = sizeof(struct ath_vap);
/* Register rate control */
hw->rate_control_algorithm = "ath9k_rate_control";
error = ath_rate_control_register();
if (error != 0) {
DPRINTF(sc, ATH_DBG_FATAL,
"Unable to register rate control algorithm: %d\n", error);
ath_rate_control_unregister();
goto bad;
}
if (sc->sc_ah->ah_caps.hw_caps & ATH9K_HW_CAP_HT) {
setup_ht_cap(&sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
@ -1553,10 +1542,6 @@ static int ath_attach(u16 devid, struct ath_softc *sc)
#endif
error = ieee80211_register_hw(hw);
if (error != 0) {
ath_rate_control_unregister();
goto bad;
}
/* Initialize LED control */
ath_init_leds(sc);
@ -1564,7 +1549,6 @@ static int ath_attach(u16 devid, struct ath_softc *sc)
return 0;
detach:
ath_detach(sc);
bad:
return error;
}
@ -2714,11 +2698,24 @@ static struct pci_driver ath_pci_driver = {
static int __init init_ath_pci(void)
{
int error;
printk(KERN_INFO "%s: %s\n", dev_info, ATH_PCI_VERSION);
/* Register rate control algorithm */
error = ath_rate_control_register();
if (error != 0) {
printk(KERN_ERR
"Unable to register rate control algorithm: %d\n",
error);
ath_rate_control_unregister();
return error;
}
if (pci_register_driver(&ath_pci_driver) < 0) {
printk(KERN_ERR
"ath_pci: No devices found, driver not installed.\n");
ath_rate_control_unregister();
pci_unregister_driver(&ath_pci_driver);
return -ENODEV;
}
@ -2729,6 +2726,7 @@ module_init(init_ath_pci);
static void __exit exit_ath_pci(void)
{
ath_rate_control_unregister();
pci_unregister_driver(&ath_pci_driver);
printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
}