From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Larsson Subject: [PATCH 7/7] usb: gadget: gr_udc: Use GFP_ATOMIC when allocating under help spinlock Date: Thu, 27 Mar 2014 16:15:59 +0100 Message-ID: <1395933359-7109-8-git-send-email-andreas@gaisler.com> References: <1395933359-7109-1-git-send-email-andreas@gaisler.com> Return-path: In-Reply-To: <1395933359-7109-1-git-send-email-andreas@gaisler.com> Sender: linux-kernel-owner@vger.kernel.org To: Felipe Balbi , Greg Kroah-Hartman Cc: Mark Rutland , Dan Carpenter , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, software@gaisler.com List-Id: devicetree@vger.kernel.org As gr_ep_init must be called with dev->lock held, GFP_KERNEL must not be used. Reported-by: Dan Carpenter Signed-off-by: Andreas Larsson --- New patch but needs patch 1/7 to apply drivers/usb/gadget/gr_udc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/gr_udc.c b/drivers/usb/gadget/gr_udc.c index 72458be..4966971 100644 --- a/drivers/usb/gadget/gr_udc.c +++ b/drivers/usb/gadget/gr_udc.c @@ -1990,8 +1990,8 @@ static int gr_ep_init(struct gr_udc *dev, int num, int is_in, u32 maxplimit) INIT_LIST_HEAD(&ep->queue); if (num == 0) { - _req = gr_alloc_request(&ep->ep, GFP_KERNEL); - buf = devm_kzalloc(dev->dev, PAGE_SIZE, GFP_DMA | GFP_KERNEL); + _req = gr_alloc_request(&ep->ep, GFP_ATOMIC); + buf = devm_kzalloc(dev->dev, PAGE_SIZE, GFP_DMA | GFP_ATOMIC); if (!_req || !buf) { /* possible _req freed by gr_probe via gr_remove */ return -ENOMEM; -- 1.7.10.4