diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/debugfs.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index 3cc5460..94ad994 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -95,9 +95,13 @@ static const struct file_operations sub## _ ##name## _ops = { \ static void wl12xx_debugfs_update_stats(struct wl12xx *wl) { + int ret; + mutex_lock(&wl->mutex); - wl12xx_ps_elp_wakeup(wl); + ret = wl12xx_ps_elp_wakeup(wl); + if (ret < 0) + goto out; if (wl->state == WL12XX_STATE_ON && time_after(jiffies, wl->stats.fw_stats_update + @@ -108,6 +112,7 @@ static void wl12xx_debugfs_update_stats(struct wl12xx *wl) wl12xx_ps_elp_sleep(wl); +out: mutex_unlock(&wl->mutex); } |