[XS] Change in coreboot[master]: libpayload/drivers/usb/xhci.c: Check for NULL in xhci_init

[Fred Reitberger (Code Review)]

Attention is currently required from: Felix Held, Fred Reitberger, Karthik Ramasubramanian.

Hello Felix Held, Jon Murphy, Karthik Ramasubramanian, Martin L Roth, build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/75645?usp=email

to look at the new patch set (#3).

Change subject: libpayload/drivers/usb/xhci.c: Check for NULL in xhci_init
......................................................................

libpayload/drivers/usb/xhci.c: Check for NULL in xhci_init

Ensure the physical_bar parameter passed to xhci_init is not NULL, else
return NULL.  This may occur when an XHCI controller is disabled and no resources are allocated for it.

BUG=b:284213001

Change-Id: I05c32612606793adcba3f4a5724092387a215d41
Signed-off-by: Fred Reitberger 
---
M payloads/libpayload/drivers/usb/xhci.c
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/45/75645/3