[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PULL 5/6] usb-host: set ifs.detached as true if kernel dri
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PULL 5/6] usb-host: set ifs.detached as true if kernel driver is not active |
Date: |
Tue, 27 Nov 2018 07:49:31 +0100 |
From: linzhecheng <address@hidden>
If no kernel driver is active, we can already claim and perform I/O on
it without detaching it.
Signed-off-by: linzhecheng <address@hidden>
Message-id: address@hidden
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/usb/host-libusb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index f31e9cbbb8..b6602ded4e 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -1120,6 +1120,9 @@ static void usb_host_detach_kernel(USBHostDevice *s)
rc = libusb_kernel_driver_active(s->dh, i);
usb_host_libusb_error("libusb_kernel_driver_active", rc);
if (rc != 1) {
+ if (rc == 0) {
+ s->ifs[i].detached = true;
+ }
continue;
}
trace_usb_host_detach_kernel(s->bus_num, s->addr, i);
--
2.9.3
- [Qemu-devel] [PULL 0/6] Fixes 31 20181127 patches, Gerd Hoffmann, 2018/11/27
- [Qemu-devel] [PULL 2/6] ps2kbd: default to scan enabled after reset, Gerd Hoffmann, 2018/11/27
- [Qemu-devel] [PULL 4/6] audio/hda: fix guest triggerable assert, Gerd Hoffmann, 2018/11/27
- [Qemu-devel] [PULL 5/6] usb-host: set ifs.detached as true if kernel driver is not active,
Gerd Hoffmann <=
- [Qemu-devel] [PULL 3/6] cirrus_vga/migration: update the bank offset before use, Gerd Hoffmann, 2018/11/27
- [Qemu-devel] [PULL 6/6] qapi: add query-display-options command, Gerd Hoffmann, 2018/11/27
- [Qemu-devel] [PULL 1/6] fmops: fix off-by-one in AR_TABLE and DR_TABLE array size, Gerd Hoffmann, 2018/11/27
- Re: [Qemu-devel] [PULL 0/6] Fixes 31 20181127 patches, Peter Maydell, 2018/11/27
- Re: [Qemu-devel] [PULL 0/6] Fixes 31 20181127 patches, no-reply, 2018/11/28