Change Details

Handle `kd == NULL` gracefully with kvm_close/kvm_geterr Don't segfault (kvm_close) or "just work by accident" (kvm_geterr). - kvm_close: return -1/set errno == EINVAL. - kvm_geterr: return NULL. Document the new error condition in kvm_close(3). MFC after: 1 week Sponsored by: Dell EMC Isilon

Handle `kd == NULL` gracefully with kvm_close/kvm_geterr Don't segfault (kvm_close) or "just work by accident" (kvm_geterr). - kvm_close: return -1/set errno == EINVAL. - kvm_geterr: return NULL. - Document the new error condition/return behavior in kvm_close(3). - Document the new explicit return behavior for kvm_geterr(3); this was implicitly true, previously, if `errbuf` was invalid; best make this behavior clear. MFC after: 1 week Sponsored by: Dell EMC Isilon

Handle `kd == NULL` gracefully with kvm_close/kvm_geterr Don't segfault (kvm_close) or "just work by accident" (kvm_geterr). - kvm_close: return -1/set errno == EINVAL. - kvm_geterr: return NULL. - Document the new error condition in kvm_close(3)/return behavior in kvm_close(3). - Document the new explicit return behavior for kvm_geterr(3); this was implicitly true, previously, if `errbuf` was invalid; best make this behavior clear. MFC after: 1 week Sponsored by: Dell EMC Isilon