[flashrom-gerrit] Change in flashrom[master]: fmap.c: Avoid undefined behaviour with fmap_lsearch([len:=0])

[Angel Pons (Code Review)]

Attention is currently required from: Edward O'Callaghan, Julius Werner.
Angel Pons has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/61545 )

Change subject: fmap.c: Avoid undefined behaviour with fmap_lsearch([len:=0])
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Patch Set 1:

(1 comment)

File fmap.c:

https://review.coreboot.org/c/flashrom/+/61545/comment/fabf7585_11ef333a 
PS1, Line 99: 	if (len == 0)
How does a length of zero cause problems? What if len is non-zero but smaller than `sizeof(struct fmap)`?