From 4d74c15e4228162806eba2c8e5daf6513839c6f7 Mon Sep 17 00:00:00 2001 From: Liangliang Lu Date: Wed, 20 Dec 2017 11:13:00 +0800 Subject: [PATCH] usb: gadget: ffs: change gfp_flags to GFP_ATOMIC usb_ep_alloc_request() may sleep with current flag GFP_KERNEL, but it is in atomic context, change flag to GFP_ATOMIC to fix this issue. Change-Id: Ic43a25f0a504d7fed104e636a9a614a4398820ab Signed-off-by: Liangliang Lu --- drivers/usb/gadget/function/f_fs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index a1e43d6f7ebb..7d7197e2cfc4 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -924,7 +924,7 @@ retry: } if (io_data->aio) { - req = usb_ep_alloc_request(ep->ep, GFP_KERNEL); + req = usb_ep_alloc_request(ep->ep, GFP_ATOMIC); if (unlikely(!req)) goto error_lock;