Complete() will be run with interrupt enabled, so change to
spin_lock_irqsave().
Cc: "John W. Linville" <linvi...@tuxdriver.com>
Cc: libertas-...@lists.infradead.org
Cc: linux-wirel...@vger.kernel.org
Cc: net...@vger.kernel.org
Signed-off-by: Ming Lei <ming....@canonical.com>
---
drivers/net/wireless/libertas/if_usb.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/libertas/if_usb.c
b/drivers/net/wireless/libertas/if_usb.c
index 2798077..f6a8396 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -626,6 +626,7 @@ static inline void process_cmdrequest(int recvlength,
uint8_t *recvbuff,
struct lbs_private *priv)
{
u8 i;
+ unsigned long flags;
if (recvlength > LBS_CMD_BUFFER_SIZE) {
lbs_deb_usbd(&cardp->udev->dev,
@@ -636,7 +637,7 @@ static inline void process_cmdrequest(int recvlength,
uint8_t *recvbuff,
BUG_ON(!in_interrupt());
- spin_lock(&priv->driver_lock);
+ spin_lock_irqsave(&priv->driver_lock, flags);
i = (priv->resp_idx == 0) ? 1 : 0;
BUG_ON(priv->resp_len[i]);
@@ -646,7 +647,7 @@ static inline void process_cmdrequest(int recvlength,
uint8_t *recvbuff,
kfree_skb(skb);
lbs_notify_command_response(priv, i);
- spin_unlock(&priv->driver_lock);
+ spin_unlock_irqrestore(&priv->driver_lock, flags);
lbs_deb_usbd(&cardp->udev->dev,
"Wake up main thread to handle cmd response\n");
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
