[S] Change in flashrom[master]: layout.c: Validate _layout_entry_by_name() arguments before use

[Nikolai Artemiev (Code Review)]

Attention is currently required from: Edward O'Callaghan, Nikolai Artemiev.

Nikolai Artemiev has uploaded a new patch set (#5) to the change originally created by Edward O'Callaghan. ( https://review.coreboot.org/c/flashrom/+/67722 )

Change subject: layout.c: Validate _layout_entry_by_name() arguments before use
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layout.c: Validate _layout_entry_by_name() arguments before use

It may be the case that a layout could not be derived which
would result in layout logic being fed a NULL pointer. Validate
this case and be defensive to validate the name argument as well.

BUG=b:247055486
TEST=builds

Change-Id: I2a19c0e586f8575b8b3c2c02b5afad312efacfc9
Signed-off-by: Edward O'Callaghan 
---
M layout.c
1 file changed, 19 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/22/67722/5