From patchwork Thu Aug 1 07:47:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 11070211 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 81D7C13A0 for ; Thu, 1 Aug 2019 07:48:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7A2082849D for ; Thu, 1 Aug 2019 07:48:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6D8CF284A5; Thu, 1 Aug 2019 07:48:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 271F62849D for ; Thu, 1 Aug 2019 07:48:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731025AbfHAHr7 (ORCPT ); Thu, 1 Aug 2019 03:47:59 -0400 Received: from smtp04.smtpout.orange.fr ([80.12.242.126]:55451 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728282AbfHAHr7 (ORCPT ); Thu, 1 Aug 2019 03:47:59 -0400 Received: from localhost.localdomain ([176.167.121.156]) by mwinf5d80 with ME id jjnu200053NZnML03jnu6s; Thu, 01 Aug 2019 09:47:55 +0200 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Thu, 01 Aug 2019 09:47:55 +0200 X-ME-IP: 176.167.121.156 From: Christophe JAILLET To: jikos@kernel.org, benjamin.tissoires@redhat.com Cc: linux-usb@vger.kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH] HID: usbhid: Use GFP_KERNEL instead of GFP_ATOMIC when applicable Date: Thu, 1 Aug 2019 09:47:59 +0200 Message-Id: <20190801074759.32738-1-christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP There is no need to use GFP_ATOMIC when calling 'usb_alloc_coherent()' here. These calls are done from probe functions and using GFP_KERNEL should be safe. The memory itself is used within some interrupts, but it is not a problem, once it has been allocated. Signed-off-by: Christophe JAILLET --- drivers/hid/usbhid/usbkbd.c | 4 ++-- drivers/hid/usbhid/usbmouse.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/hid/usbhid/usbkbd.c b/drivers/hid/usbhid/usbkbd.c index d5b7a696a68c..63e8ef8beb45 100644 --- a/drivers/hid/usbhid/usbkbd.c +++ b/drivers/hid/usbhid/usbkbd.c @@ -239,11 +239,11 @@ static int usb_kbd_alloc_mem(struct usb_device *dev, struct usb_kbd *kbd) return -1; if (!(kbd->led = usb_alloc_urb(0, GFP_KERNEL))) return -1; - if (!(kbd->new = usb_alloc_coherent(dev, 8, GFP_ATOMIC, &kbd->new_dma))) + if (!(kbd->new = usb_alloc_coherent(dev, 8, GFP_KERNEL, &kbd->new_dma))) return -1; if (!(kbd->cr = kmalloc(sizeof(struct usb_ctrlrequest), GFP_KERNEL))) return -1; - if (!(kbd->leds = usb_alloc_coherent(dev, 1, GFP_ATOMIC, &kbd->leds_dma))) + if (!(kbd->leds = usb_alloc_coherent(dev, 1, GFP_KERNEL, &kbd->leds_dma))) return -1; return 0; diff --git a/drivers/hid/usbhid/usbmouse.c b/drivers/hid/usbhid/usbmouse.c index 073127e65ac1..c89332017d5d 100644 --- a/drivers/hid/usbhid/usbmouse.c +++ b/drivers/hid/usbhid/usbmouse.c @@ -130,7 +130,7 @@ static int usb_mouse_probe(struct usb_interface *intf, const struct usb_device_i if (!mouse || !input_dev) goto fail1; - mouse->data = usb_alloc_coherent(dev, 8, GFP_ATOMIC, &mouse->data_dma); + mouse->data = usb_alloc_coherent(dev, 8, GFP_KERNEL, &mouse->data_dma); if (!mouse->data) goto fail1;