New Defects reported by Coverity Scan for NetBSD-amd64-kernel

[scan-admin%coverity.com@localhost]

Hi,

Please find the latest report on new defect(s) introduced to NetBSD-amd64-kernel found with Coverity Scan.

1 new defect(s) introduced to NetBSD-amd64-kernel found with Coverity Scan.


New defect(s) Reported-by: Coverity Scan
Showing 1 of 1 defect(s)


** CID 1362563:  Null pointer dereferences  (REVERSE_INULL)
/sys/dev/usb/xhci.c: 2956 in xhci_setup_maxburst()


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*** CID 1362563:  Null pointer dereferences  (REVERSE_INULL)
/sys/dev/usb/xhci.c: 2956 in xhci_setup_maxburst()
2950     	uint32_t maxb = 0;
2951     	uint16_t mps = UGETW(ed->wMaxPacketSize);
2952     	uint8_t speed = dev->ud_speed;
2953     	uint8_t ep;
2954     
2955     	/* config desc is NULL when opening ep0 */
>>>     CID 1362563:  Null pointer dereferences  (REVERSE_INULL)
>>>     Null-checking "dev" suggests that it may be null, but it has already been dereferenced on all paths leading to the check.
2956     	if (dev == NULL || dev->ud_cdesc == NULL)
2957     		goto no_cdcd;
2958     	cdcd = (const usb_cdc_descriptor_t *)usb_find_desc(dev,
2959     	    UDESC_INTERFACE, USBD_CDCSUBTYPE_ANY);
2960     	if (cdcd == NULL)
2961     		goto no_cdcd;


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