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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-29 18:45:55 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-29 18:45:55 -0700 |
| commit | df9b17f5868bdafd46cad18b08f1e70fa22b8854 (patch) | |
| tree | 5667fbd3a0b915463f9558e3d40de309b7a7c0de /drivers/usb/core/devio.c | |
| parent | usb: phy: twl4030-usb: remove *set_suspend* and *phy_init* ops (diff) | |
| parent | Linux 3.12-rc3 (diff) | |
| download | linux-dev-df9b17f5868bdafd46cad18b08f1e70fa22b8854.tar.xz linux-dev-df9b17f5868bdafd46cad18b08f1e70fa22b8854.zip | |
Merge 3.12-rc3 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/devio.c')
| -rw-r--r-- | drivers/usb/core/devio.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index f4f2300f8e10..bd429eaf6ea3 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -742,6 +742,22 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype, if ((index & ~USB_DIR_IN) == 0) return 0; ret = findintfep(ps->dev, index); + if (ret < 0) { + /* + * Some not fully compliant Win apps seem to get + * index wrong and have the endpoint number here + * rather than the endpoint address (with the + * correct direction). Win does let this through, + * so we'll not reject it here but leave it to + * the device to not break KVM. But we warn. + */ + ret = findintfep(ps->dev, index ^ 0x80); + if (ret >= 0) + dev_info(&ps->dev->dev, + "%s: process %i (%s) requesting ep %02x but needs %02x\n", + __func__, task_pid_nr(current), + current->comm, index, index ^ 0x80); + } if (ret >= 0) ret = checkintf(ps, ret); break; |