diff options
| author | Arik Nemtsov <arik@wizery.com> | 2011-02-23 00:22:29 +0200 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2011-02-23 11:18:46 +0200 |
| commit | 409622ecc2a3b618b31b1894ed6360fbdca95d62 (patch) | |
| tree | 82093835b10b9608f84a46df7a818b2a3ba99a60 | |
| parent | ba7c082a139178da239a65e6e6cc6bd1c8515d97 (diff) | |
| download | linux-409622ecc2a3b618b31b1894ed6360fbdca95d62.tar.bz2 | |
wl12xx: AP mode - fix bug in cleanup of wl1271_op_sta_add()
Remove an active hlid when chip wakeup fails. In addition rename the
involved functions.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
| -rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index f336e9cbd9e0..92f822043331 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -2624,7 +2624,7 @@ static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx, return 0; } -static int wl1271_allocate_hlid(struct wl1271 *wl, +static int wl1271_allocate_sta(struct wl1271 *wl, struct ieee80211_sta *sta, u8 *hlid) { @@ -2645,10 +2645,13 @@ static int wl1271_allocate_hlid(struct wl1271 *wl, return 0; } -static void wl1271_free_hlid(struct wl1271 *wl, u8 hlid) +static void wl1271_free_sta(struct wl1271 *wl, u8 hlid) { int id = hlid - WL1271_AP_STA_HLID_START; + if (WARN_ON(!test_bit(id, wl->ap_hlid_map))) + return; + __clear_bit(id, wl->ap_hlid_map); wl1271_tx_reset_link_queues(wl, hlid); } @@ -2671,13 +2674,13 @@ static int wl1271_op_sta_add(struct ieee80211_hw *hw, wl1271_debug(DEBUG_MAC80211, "mac80211 add sta %d", (int)sta->aid); - ret = wl1271_allocate_hlid(wl, sta, &hlid); + ret = wl1271_allocate_sta(wl, sta, &hlid); if (ret < 0) goto out; ret = wl1271_ps_elp_wakeup(wl, false); if (ret < 0) - goto out; + goto out_free_sta; ret = wl1271_cmd_add_sta(wl, sta, hlid); if (ret < 0) @@ -2686,6 +2689,10 @@ static int wl1271_op_sta_add(struct ieee80211_hw *hw, out_sleep: wl1271_ps_elp_sleep(wl); +out_free_sta: + if (ret < 0) + wl1271_free_sta(wl, hlid); + out: mutex_unlock(&wl->mutex); return ret; @@ -2722,7 +2729,7 @@ static int wl1271_op_sta_remove(struct ieee80211_hw *hw, if (ret < 0) goto out_sleep; - wl1271_free_hlid(wl, wl_sta->hlid); + wl1271_free_sta(wl, wl_sta->hlid); out_sleep: wl1271_ps_elp_sleep(wl); |