staging: wilc1000: tcp_process: fix a build warning

This patch fixes build warning "flags is used uninitialized" when
TCP_ACK_FILTER is defined.

Fixes: 562ed3f1f78a ("staging/wilc1000: pass struct wilc to most linux_wlan.c functions")
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c
index 5682581..25cf325 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -234,6 +234,7 @@ static inline int tcp_process(struct net_device *dev, struct txq_entry_t *tqe)
        vif = netdev_priv(dev);
        wilc = vif->wilc;
 
+       spin_lock_irqsave(&wilc->txq_spinlock, flags);
 
        eth_hdr_ptr = &buffer[0];
        h_proto = ntohs(*((unsigned short *)&eth_hdr_ptr[12]));