perf daemon: 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 12:52:29 +0000 (09:52 -0300)
commit789eae7f203edc1301d7122ad9b3046e7c56937c
tree95f852cffbb23cdf1cc60235273c5cb419197cd5
parent79b40a1b182bcca381bb59d0219e1dd681a64981
perf daemon: 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/builtin-daemon.c