[flashrom-gerrit] Change in flashrom[master]: it87spi.c: Prevent use-after-free bug

[Nico Huber (Code Review)]

Nico Huber has posted comments on this change. ( https://review.coreboot.org/c/flashrom/+/46551 )

Change subject: it87spi.c: Prevent use-after-free bug
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Patch Set 1: Code-Review+2

(1 comment)

https://review.coreboot.org/c/flashrom/+/46551/1/it87spi.c 
File it87spi.c:

https://review.coreboot.org/c/flashrom/+/46551/1/it87spi.c@137 
PS1, Line 137: errno != 0
Not sure if it's worth to mention, but we also checked `errno` of `free()`
here by accident.

And probably for another patch: Checking `errno` isn't needed at all, as
`*param != '\0' && *dualbiosindex_suffix == '\0'` implies success.