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[Qemu-devel] [PATCH 22/31] usb-linux: Ensure devep != 0
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 22/31] usb-linux: Ensure devep != 0 |
Date: |
Mon, 6 Jun 2011 14:39:13 +0200 |
From: Hans de Goede <address@hidden>
So that we don't index endp_table with a negative index.
Signed-off-by: Gerd Hoffmann <address@hidden>
---
usb-linux.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/usb-linux.c b/usb-linux.c
index 4c6c284..82c1e7d 100644
--- a/usb-linux.c
+++ b/usb-linux.c
@@ -1030,6 +1030,11 @@ static int usb_linux_update_endp_table(USBHostDevice *s)
}
devep = descriptors[i + 2];
+ if ((devep & 0x0f) == 0) {
+ fprintf(stderr, "usb-linux: invalid ep descriptor, ep == 0\n");
+ return 1;
+ }
+
switch (descriptors[i + 3] & 0x3) {
case 0x00:
type = USBDEVFS_URB_TYPE_CONTROL;
--
1.7.1
- [Qemu-devel] [PATCH 09/31] usb-ehci: fix offset writeback in ehci_buffer_rw, (continued)
- [Qemu-devel] [PATCH 09/31] usb-ehci: fix offset writeback in ehci_buffer_rw, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 10/31] usb-ehci: fix error handling., Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 05/31] usb-ehci: improve mmio tracing, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 08/31] usb-ehci: multiqueue support, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 18/31] usb: documentation update, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 19/31] usb-linux: Get speed from sysfs rather then from the connectinfo ioctl, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 07/31] usb-ehci: add queue data struct, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 23/31] usb-linux: Don't try to open the same device twice, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 22/31] usb-linux: Ensure devep != 0,
Gerd Hoffmann <=
- [Qemu-devel] [PATCH 21/31] usb-linux: Don't do perror when errno is not set, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 20/31] usb-linux: Teach about super speed, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 16/31] usb-ehci: itd handling fixes., Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 25/31] usb: don't call usb_host_device_open from vl.c, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 28/31] usb-bus: Don't detach non attached devices on device exit, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 24/31] usb-linux: only cleanup in host_close when host_open was successful., Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 27/31] usb-bus: Add knowledge of USB_SPEED_SUPER to usb_speed helper, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 26/31] usb-linux: Enlarge buffer for descriptors to 8192 bytes, Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 15/31] The USB tablet should not claim boot protocol support., Gerd Hoffmann, 2011/06/06
- [Qemu-devel] [PATCH 17/31] usb-ehci: split trace calls to handle arg count limits, Gerd Hoffmann, 2011/06/06