diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/main.c')
-rw-r--r-- | drivers/net/wireless/wl12xx/main.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/wireless/wl12xx/main.c b/drivers/net/wireless/wl12xx/main.c index 85cb4daac9a..9663326c0df 100644 --- a/drivers/net/wireless/wl12xx/main.c +++ b/drivers/net/wireless/wl12xx/main.c @@ -1423,8 +1423,7 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl) if (wl->scan.state != WL1271_SCAN_STATE_IDLE) { wl->scan.state = WL1271_SCAN_STATE_IDLE; - kfree(wl->scan.scanned_ch); - wl->scan.scanned_ch = NULL; + memset(wl->scan.scanned_ch, 0, sizeof(wl->scan.scanned_ch)); wl->scan.req = NULL; ieee80211_scan_completed(wl->hw, true); } @@ -3502,6 +3501,10 @@ int wl1271_init_ieee80211(struct wl1271 *wl) wl->hw->wiphy->max_scan_ie_len = WL1271_CMD_TEMPL_MAX_SIZE - sizeof(struct ieee80211_header); + /* make sure all our channels fit in the scanned_ch bitmask */ + BUILD_BUG_ON(ARRAY_SIZE(wl1271_channels) + + ARRAY_SIZE(wl1271_channels_5ghz) > + WL1271_MAX_CHANNELS); /* * We keep local copies of the band structs because we need to * modify them on a per-device basis. |