openwrt/target/linux/brcm2708/patches-3.10/0086-dwc_otg-fix-potential-sleep-while-atomic-during-urb-.patch
Florian Fainelli 6918ea2484 brcm2708: update 3.10 patches with raspberrypi/rpi-3.10.y of 27 Apr. 2014
Update the 3.10 rasperry patches by rebasing raspberry/rpi-3.10-y
against linux-stable/v3.10.49.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 42678
2014-09-27 19:10:51 +00:00

32 lines
1.1 KiB
Diff

From ce5fb2face9a3974693b0f08ce226d7f0406541a Mon Sep 17 00:00:00 2001
From: P33M <P33M@github.com>
Date: Fri, 2 Aug 2013 10:04:18 +0100
Subject: [PATCH 086/196] dwc_otg: fix potential sleep while atomic during urb
enqueue
Fixes a regression introduced with eb1b482a. Kmalloc called from
dwc_otg_hcd_qtd_add / dwc_otg_hcd_qtd_create did not always have
the GPF_ATOMIC flag set. Force this flag when inside the larger
critical section.
---
drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
index ad03ff1..80690f9 100644
--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
@@ -781,8 +781,7 @@ static int dwc_otg_urb_enqueue(struct usb_hcd *hcd,
{
retval = dwc_otg_hcd_urb_enqueue(dwc_otg_hcd, dwc_otg_urb,
/*(dwc_otg_qh_t **)*/
- ref_ep_hcpriv,
- mem_flags == GFP_ATOMIC ? 1 : 0);
+ ref_ep_hcpriv, 1);
if (0 == retval) {
if (alloc_bandwidth) {
allocate_bus_bandwidth(hcd,
--
1.9.1