[coreboot-gerrit] Change in coreboot[master]: soc/intel/xeon_sp/cpx: search IIO_UDS HOB once when creating DMAR table

[Jonathan Zhang (Code Review)]

Jonathan Zhang has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/45376 )

Change subject: soc/intel/xeon_sp/cpx: search IIO_UDS HOB once when creating DMAR table
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Patch Set 3:

(1 comment)

https://review.coreboot.org/c/coreboot/+/45376/2/src/soc/intel/xeon_sp/cpx/a... 
File src/soc/intel/xeon_sp/cpx/acpi.c:

https://review.coreboot.org/c/coreboot/+/45376/2/src/soc/intel/xeon_sp/cpx/a... 
PS2, Line 620: true
> This derefrences a nullptr. You need to check it for NULL. […]

If is_atsr is true, then first is not NULL. Otherwise first can be NULL since && operator guarantees the second test is not executed.
That being said, I added check for NULL.