From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751352AbdAYCvl (ORCPT ); Tue, 24 Jan 2017 21:51:41 -0500 Received: from rtits2.realtek.com ([211.75.126.72]:41879 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751323AbdAYCvh (ORCPT ); Tue, 24 Jan 2017 21:51:37 -0500 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.56 with qID v0P2pYiR011845, This message is accepted by code: ctloc85258 From: Hayes Wang To: CC: , , , Hayes Wang Subject: [PATCH net 4/4] r8152: check rx after napi is enabled Date: Wed, 25 Jan 2017 10:50:54 +0800 Message-ID: <1394712342-15778-240-Taiwan-albertk@realtek.com> X-Mailer: Microsoft Office Outlook 11 In-Reply-To: <1394712342-15778-236-Taiwan-albertk@realtek.com> References: <1394712342-15778-236-Taiwan-albertk@realtek.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.21.177.172] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Schedule the napi after napi_enable() for rx, if it is necessary. If the rx is completed when napi is disabled, the sheduling of napi would be lost. Then, no one handles the rx packet until next napi is scheduled. Signed-off-by: Hayes Wang --- drivers/net/usb/r8152.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index f65109b..f0f55b3 100644 --- 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 "7" +#define NET_VERSION "8" #define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION #define DRIVER_AUTHOR "Realtek linux nic maintainers " @@ -3561,6 +3561,9 @@ static int rtl8152_post_reset(struct usb_interface *intf) netif_wake_queue(netdev); usb_submit_urb(tp->intr_urb, GFP_KERNEL); + if (!list_empty(&tp->rx_done)) + napi_schedule(&tp->napi); + return 0; } @@ -3696,6 +3699,8 @@ static int rtl8152_resume(struct usb_interface *intf) rtl_start_rx(tp); napi_enable(&tp->napi); clear_bit(SELECTIVE_SUSPEND, &tp->flags); + if (!list_empty(&tp->rx_done)) + napi_schedule(&tp->napi); } else { tp->rtl_ops.up(tp); netif_carrier_off(tp->netdev); -- 2.7.4