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fhci-hub: no need to overwrite byte 3 of the Hub Descriptor
The code handling Get Hub Descriptor request copies data from root_hub_des[], then overwrites byte 3 with real 'wHubCharacteristics' value. There's no need to overwrite, we can substitute the real value right into root_hub_des[3]. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -32,8 +32,8 @@ static u8 root_hub_des[] = {
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0x09, /* blength */
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0x29, /* bDescriptorType;hub-descriptor */
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0x01, /* bNbrPorts */
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0x00, /* wHubCharacteristics */
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0x00,
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0x11, /* wHubCharacteristics */
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0x00, /* per-port power, no overcurrent */
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0x01, /* bPwrOn2pwrGood;2ms */
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0x00, /* bHubContrCurrent;0mA */
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0x00, /* DeviceRemoveable */
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@ -272,7 +272,6 @@ int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
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break;
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case GetHubDescriptor:
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memcpy(buf, root_hub_des, sizeof(root_hub_des));
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buf[3] = 0x11; /* per-port power, no ovrcrnt */
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len = (buf[0] < wLength) ? buf[0] : wLength;
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break;
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case GetHubStatus:
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