staging: rtl8712: fix interface sanity check
commit5.4-rM2-2.2.x-imx-squashedc724f776f0
upstream. Make sure to use the current alternate setting when verifying the interface descriptors to avoid binding to an invalid interface. Failing to do so could cause the driver to misbehave or trigger a WARN() in usb_submit_urb() that kernels with panic_on_warn set would choke on. Fixes:2865d42c78
("staging: r8712u: Add the new driver to the mainline kernel") Cc: stable <stable@vger.kernel.org> # 2.6.37 Signed-off-by: Johan Hovold <johan@kernel.org> Link: https://lore.kernel.org/r/20191210114751.5119-3-johan@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -247,7 +247,7 @@ static uint r8712_usb_dvobj_init(struct _adapter *padapter)
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pdvobjpriv->padapter = padapter;
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padapter->eeprom_address_size = 6;
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phost_iface = &pintf->altsetting[0];
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phost_iface = pintf->cur_altsetting;
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piface_desc = &phost_iface->desc;
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pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
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if (pusbd->speed == USB_SPEED_HIGH) {
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