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27 lines
973 B
27 lines
973 B
11 years ago
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From 445255441aa03cca3d1318d1e7ff58872c91c645 Mon Sep 17 00:00:00 2001
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From: P33M <P33M@github.com>
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Date: Fri, 2 Aug 2013 10:04:18 +0100
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Subject: [PATCH 086/174] dwc_otg: fix potential sleep while atomic during urb
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enqueue
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Fixes a regression introduced with eb1b482a. Kmalloc called from
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dwc_otg_hcd_qtd_add / dwc_otg_hcd_qtd_create did not always have
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the GPF_ATOMIC flag set. Force this flag when inside the larger
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critical section.
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---
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drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
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+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
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@@ -781,8 +781,7 @@ static int dwc_otg_urb_enqueue(struct us
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{
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retval = dwc_otg_hcd_urb_enqueue(dwc_otg_hcd, dwc_otg_urb,
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/*(dwc_otg_qh_t **)*/
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- ref_ep_hcpriv,
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- mem_flags == GFP_ATOMIC ? 1 : 0);
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+ ref_ep_hcpriv, 1);
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if (0 == retval) {
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if (alloc_bandwidth) {
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allocate_bus_bandwidth(hcd,
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