Change in coreboot[master]: amdfwtool: Check the length of matching string before accessing

[Bao Zheng (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Marshall Dawson, Paul Menzel, Zheng Bao, Nikolai Vyssotski, Felix Held.
Hello build bot (Jenkins), Jason Glenesk, Raul Rangel, Marshall Dawson, Paul Menzel, Zheng Bao, Nikolai Vyssotski, Felix Held,

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

https://review.coreboot.org/c/coreboot/+/62483

to look at the new patch set (#8).

Change subject: amdfwtool: Check the length of matching string before accessing
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amdfwtool: Check the length of matching string before accessing

If AB recovery is enabled and get a "Lx" in fw.cfg, wrong character
is got or access violation happens.

Change-Id: Ibd8ffe34fd44d860ec2115cd36117da7b02169cd
Signed-off-by: Zheng Bao 
---
M util/amdfwtool/data_parse.c
1 file changed, 22 insertions(+), 10 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/83/62483/8