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Subject[PATCH 4.9 27/51] r8152: dont execute runtime suspend if the tx is not empty
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: hayeswang <hayeswang@realtek.com>


[ Upstream commit 6a0b76c04ec157c88ca943debf78a8ee58469f2d ]

Runtime suspend shouldn't be executed if the tx queue is not empty,
because the device is not idle.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/usb/r8152.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -32,7 +32,7 @@
#define NETNEXT_VERSION "08"

/* Information for net */
-#define NET_VERSION "6"
+#define NET_VERSION "7"

#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@@ -3572,6 +3572,8 @@ static bool delay_autosuspend(struct r81
*/
if (!sw_linking && tp->rtl_ops.in_nway(tp))
return true;
+ else if (!skb_queue_empty(&tp->tx_queue))
+ return true;
else
return false;
}

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