wl1271: Add handling for failing hardware scan command
Currently, the driver does not handle a failing hardware command to scan in
any way - effectively, the scan machine will jam until the driver is shut down,
and future scan requests will just return -EBUSY to user space, resulting in
a type of busy-loop. The same problem occurs if the firmware fails to deliver
the scan completion event - add timeout for this.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 3576c1c..cae4893 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -296,6 +296,7 @@
struct wl1271_scan {
struct cfg80211_scan_request *req;
bool *scanned_ch;
+ bool failed;
u8 state;
u8 ssid[IW_ESSID_MAX_SIZE+1];
size_t ssid_len;
@@ -419,7 +420,7 @@
/* Are we currently scanning */
struct wl1271_scan scan;
- struct work_struct scan_complete_work;
+ struct delayed_work scan_complete_work;
/* Our association ID */
u16 aid;