mirror of https://gitee.com/openkylin/linux.git
usb/gadget: Fix "high bandwidth" check in usb_gadget_ep_match_desc()
The current code tries to test for bits that are masked out by usb_endpoint_maxp(). Instead, use the proper accessor to access the new high bandwidth bits. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -912,7 +912,7 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget,
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return 0;
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/* "high bandwidth" works only at high speed */
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if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp(desc) & (3<<11))
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if (!gadget_is_dualspeed(gadget) && usb_endpoint_maxp_mult(desc) > 1)
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return 0;
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switch (type) {
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