From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from 2.mo53.mail-out.ovh.net ([178.33.254.39]:47803 "EHLO 2.mo53.mail-out.ovh.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751016AbcGHHai (ORCPT ); Fri, 8 Jul 2016 03:30:38 -0400 Received: from player159.ha.ovh.net (b9.ovh.net [213.186.33.59]) by mo53.mail-out.ovh.net (Postfix) with ESMTP id DF5EAFF994A for ; Fri, 8 Jul 2016 08:15:12 +0200 (CEST) From: Mathieu Laurendeau Subject: [PATCH] usb/gadget: fix gadgetfs aio support To: linux-usb@vger.kernel.org Cc: Felipe Balbi , stable@vger.kernel.org Message-ID: <577F44EE.20504@laurendeau.net> Date: Fri, 8 Jul 2016 08:15:10 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: stable-owner@vger.kernel.org List-ID: Hi, Since commit 7fe3976e0f3ab26f8ffd9430d3d2a19a70f2c8d2 ("gadget: switch ep_io_operations to ->read_iter/->write_iter") io submissions fail with ENODEV. Fixes: 7fe3976e0f3a ("gadget: switch ep_io_operations to ->read_iter/->write_iter") Signed-off-by: Mathieu Laurendeau --- drivers/usb/gadget/legacy/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index aa3707b..120a03a 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -542,7 +542,7 @@ static ssize_t ep_aio(struct kiocb *iocb, */ spin_lock_irq(&epdata->dev->lock); value = -ENODEV; - if (unlikely(epdata->ep)) + if (unlikely(epdata->ep) == NULL) goto fail; req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC); -- 1.9.1