[PATCH v1 31/49] USBNET: rtl8150: prepare for enabling irq in complete()
From: Ming Lei <hidden>
Date: 2013-08-17 16:24:56
Subsystem:
networking drivers, the rest, usb networking drivers, usb rtl8150 driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Petko Manolov
Complete() will be run with interrupt enabled, so change to spin_lock_irqsave(). Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Signed-off-by: Ming Lei <redacted> --- drivers/net/usb/rtl8150.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index 6cbdac6..199e0fb 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c@@ -372,6 +372,7 @@ static void read_bulk_callback(struct urb *urb) u16 rx_stat; int status = urb->status; int result; + unsigned long flags; dev = urb->context; if (!dev)
@@ -413,9 +414,9 @@ static void read_bulk_callback(struct urb *urb) netdev->stats.rx_packets++; netdev->stats.rx_bytes += pkt_len; - spin_lock(&dev->rx_pool_lock); + spin_lock_irqsave(&dev->rx_pool_lock, flags); skb = pull_skb(dev); - spin_unlock(&dev->rx_pool_lock); + spin_unlock_irqrestore(&dev->rx_pool_lock, flags); if (!skb) goto resched;
--
1.7.9.5
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