libertas: don't run thread while firmware not yet ready

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 88664024bf80..9a231099212f 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -671,6 +671,8 @@ static int lbs_thread(void *data)
                         shouldsleep = 1;        /* Sleep mode. Nothing we can do till it wakes */
                 else if (priv->intcounter)
                         shouldsleep = 0;        /* Interrupt pending. Deal with it now */
+                else if (!priv->fw_ready)
+                        shouldsleep = 1;        /* Firmware not ready. We're waiting for it */
                 else if (priv->dnld_sent)
                         shouldsleep = 1;        /* Something is en route to the device already */
                 else if (priv->tx_pending_len > 0)
@@ -753,6 +755,9 @@ static int lbs_thread(void *data)
                 } else
                         spin_unlock_irq(&priv->driver_lock);
 
+                if (!priv->fw_ready)
+                        continue;
+
                 /* Check if we need to confirm Sleep Request received previously */
                 if (priv->psstate == PS_STATE_PRE_SLEEP &&
                     !priv->dnld_sent && !priv->cur_cmd) {