perf bench inject-buildid: Use zfree() to reduce chances of use after free
authorArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 12 Apr 2023 12:50:08 +0000 (09:50 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 12 Apr 2023 13:14:01 +0000 (10:14 -0300)
commit97d0dd1e283a9a11ede495928c9c2a148b47cef4
treef53a6a9f2e96889bbffbda62df48f8e5b5899d64
parente413f9f13f6a8a591af0ac39ef50af02b42a0df8
perf bench inject-buildid: Use zfree() to reduce chances of use after free

Do defensive programming by using zfree() to initialize freed pointers
to NULL, so that eventual use after free result in a NULL pointer deref
instead of more subtle behaviour.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/bench/inject-buildid.c