Don't pass an uninitialised size value to free(9). Pointer argument is
authorjsg <jsg@openbsd.org>
Sat, 14 Jul 2018 10:21:48 +0000 (10:21 +0000)
committerjsg <jsg@openbsd.org>
Sat, 14 Jul 2018 10:21:48 +0000 (10:21 +0000)
commit4c73c37af14bbb8a0f002e06546436f3d96e4b2a
treef0418f38bd06139c8b180ca247165a2f3a93b5c5
parenta16a77c89b0143c19972d027d0a245914ad8ff52
Don't pass an uninitialised size value to free(9).  Pointer argument is
NULL in this path so free will return early without accessing it.

ok jca@ tb@
sys/kern/sys_generic.c