[PATCH 2/7] usb: xhci: Check endpoint is valid before dereferencing it

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I used type-c 20Gbps USB3.2 GEN2x2 PCIe Expansion Card, may be this patch cause USB3.2 GEN2x2 PCIe Expansion Card not work.

[    0.285088] xhci_hcd 0000:09:00.0: hcc params 0x0200ef80 hci version 0x110 quirks 0x0000000000800010
[    0.285334] usb usb7: We don't know the algorithms for LPM for this host, disabling LPM.
[    0.285347] xhci_hcd 0000:09:00.0: xHCI Host Controller
[    0.285407] hub 7-0:1.0: USB hub found
[    0.285415] hub 7-0:1.0: 4 ports detected
[    0.285783] xhci_hcd 0000:09:00.0: new USB bus registered, assigned bus number 8
[    0.285787] xhci_hcd 0000:09:00.0: Host supports USB 3.2 Enhanced SuperSpeed
[    0.285889] hub 4-0:1.0: USB hub found
[    0.285901] hub 4-0:1.0: 1 port detected
[    0.285988] usb usb8: We don't know the algorithms for LPM for this host, disabling LPM.
[ 3277.156054] xhci_hcd 0000:09:00.0: Abort failed to stop command ring: -110
[ 3277.156091] xhci_hcd 0000:09:00.0: xHCI host controller not responding, assume dead
[ 3277.156103] xhci_hcd 0000:09:00.0: HC died; cleaning up

may be this patch cause "xhci_hcd 0000:09:00.0: HC died; cleaning up" problem.



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