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[Qemu-devel] [PATCH] usb-ohci: Fix endianness issue
From: |
Michael Buesch |
Subject: |
[Qemu-devel] [PATCH] usb-ohci: Fix endianness issue |
Date: |
Wed, 8 Jul 2009 21:54:28 +0200 |
User-agent: |
KMail/1.9.9 |
This fixes a possible endianness issue in the usb-ohci hw module.
hcca.frame and ohci->frame_number are 16bit, so use cpu_to_le16().
Signed-off-by: Michael Buesch <address@hidden>
---
hw/usb-ohci.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- qemu-0.10.5.orig/hw/usb-ohci.c
+++ qemu-0.10.5/hw/usb-ohci.c
@@ -1109,9 +1109,9 @@ static void ohci_frame_boundary(void *op
/* Frame boundary, so do EOF stuf here */
ohci->frt = ohci->fit;
- /* XXX: endianness */
+ /* Increment frame number and take care of endianness. */
ohci->frame_number = (ohci->frame_number + 1) & 0xffff;
- hcca.frame = cpu_to_le32(ohci->frame_number);
+ hcca.frame = cpu_to_le16(ohci->frame_number);
if (ohci->done_count == 0 && !(ohci->intr_status & OHCI_INTR_WD)) {
if (!ohci->done)
--
Greetings, Michael.
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