brcm2708: update against latest rpi-3.10.y branch
[openwrt/svn-archive/archive.git] / target / linux / brcm2708 / patches-3.10 / 0044-dwc_otg-fix-bug-in-dwc_otg_hcd.c-resulting-in-silent.patch
diff --git a/target/linux/brcm2708/patches-3.10/0044-dwc_otg-fix-bug-in-dwc_otg_hcd.c-resulting-in-silent.patch b/target/linux/brcm2708/patches-3.10/0044-dwc_otg-fix-bug-in-dwc_otg_hcd.c-resulting-in-silent.patch
new file mode 100644 (file)
index 0000000..16d16de
--- /dev/null
@@ -0,0 +1,32 @@
+From 17b1eb8e7fdbca81bc6d74c003b02ca3b08f1fa4 Mon Sep 17 00:00:00 2001
+From: P33M <P33M@github.com>
+Date: Wed, 9 Jan 2013 16:12:04 +0000
+Subject: [PATCH 044/174] dwc_otg: fix bug in dwc_otg_hcd.c resulting in silent
+ kernel         memory corruption, escalating to OOPS under high USB load.
+
+---
+ drivers/usb/host/dwc_otg/dwc_otg_hcd.c       | 2 --
+ drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c | 1 +
+ 2 files changed, 1 insertion(+), 2 deletions(-)
+
+--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
++++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd.c
+@@ -500,8 +500,6 @@ int dwc_otg_hcd_urb_enqueue(dwc_otg_hcd_
+               DWC_ERROR("DWC OTG HCD URB Enqueue failed adding QTD. "
+                         "Error status %d\n", retval);
+               dwc_otg_hcd_qtd_free(qtd);
+-      } else {
+-              qtd->qh = *ep_handle;
+       }
+       intr_mask.d32 = DWC_READ_REG32(&hcd->core_if->core_global_regs->gintmsk);
+       if (!intr_mask.b.sofintr && retval == 0) {
+--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
++++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_queue.c
+@@ -946,6 +946,7 @@ int dwc_otg_hcd_qtd_add(dwc_otg_qtd_t *
+       if (retval == 0) {
+               DWC_CIRCLEQ_INSERT_TAIL(&((*qh)->qtd_list), qtd,
+                                       qtd_list_entry);
++              qtd->qh = *qh;
+       }
+       DWC_SPINUNLOCK_IRQRESTORE(hcd->lock, flags);