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Don't leak PML4 in _amd64_initvtop(..) if kvm_read2(..) fails

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MFC after: 1 week
Reported by: Coverity
CID: 1341474
Sponsored by: EMC / Isilon Storage Division
This commit is contained in:
Enji Cooper 2016-04-30 09:32:19 +00:00
parent 9bc9176923
commit 8b4e5ab944
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=298842
1 changed files with 1 additions and 0 deletions
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lib/libkvm/kvm_amd64.c
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@ -159,6 +159,7 @@ _amd64_initvtop(kvm_t *kd)
}
if (kvm_read2(kd, pa, PML4, AMD64_PAGE_SIZE) != AMD64_PAGE_SIZE) {
_kvm_err(kd, kd->program, "cannot read KPML4phys");
free(PML4);
return (-1);
}
kd->vmst->PML4 = PML4;