diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.10/0086-dwc_otg-fix-potential-sleep-while-atomic-during-urb-.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-3.10/0086-dwc_otg-fix-potential-sleep-while-atomic-during-urb-.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0086-dwc_otg-fix-potential-sleep-while-atomic-during-urb-.patch b/target/linux/brcm2708/patches-3.10/0086-dwc_otg-fix-potential-sleep-while-atomic-during-urb-.patch new file mode 100644 index 0000000000..59b3190e39 --- /dev/null +++ b/target/linux/brcm2708/patches-3.10/0086-dwc_otg-fix-potential-sleep-while-atomic-during-urb-.patch @@ -0,0 +1,26 @@ +From 445255441aa03cca3d1318d1e7ff58872c91c645 Mon Sep 17 00:00:00 2001 +From: P33M <P33M@github.com> +Date: Fri, 2 Aug 2013 10:04:18 +0100 +Subject: [PATCH 086/174] 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(-) + +--- 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 us + { + 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, |