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authorMing Lei <ming.lei@canonical.com>2012-06-19 21:15:52 +0000
committerDavid S. Miller <davem@davemloft.net>2012-06-22 17:34:17 -0700
commit5eeb3132eb4c5e9ca92e5247fe4575fe9f8c3efe (patch)
tree3634dc8b320544ca8e567a9899f480172a0f19a3 /drivers/net/usb/usbnet.c
parentfb13c47b8e5ce707268bd38cfd082da377eac4b7 (diff)
usbnet: decrease suspend count if returning -EBUSY for runtime suspend
This patch decreases dev->suspend_count in the -EBUSY failure path of usbnet_suspend. Without the change, the later runtime suspend will do nothing except for increasing dev->suspend_count. Signed-off-by: Ming Lei <ming.lei@canonical.com> Acked-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/usbnet.c')
-rw-r--r--drivers/net/usb/usbnet.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 815493caea7f..1e46f693eb47 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1515,6 +1515,7 @@ int usbnet_suspend (struct usb_interface *intf, pm_message_t message)
spin_lock_irq(&dev->txq.lock);
/* don't autosuspend while transmitting */
if (dev->txq.qlen && PMSG_IS_AUTO(message)) {
+ dev->suspend_count--;
spin_unlock_irq(&dev->txq.lock);
return -EBUSY;
} else {