diff options
Diffstat (limited to 'lib/libkvm/kvm.c')
| -rw-r--r-- | lib/libkvm/kvm.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/libkvm/kvm.c b/lib/libkvm/kvm.c index 0de0dd6..2f95a20 100644 --- a/lib/libkvm/kvm.c +++ b/lib/libkvm/kvm.c @@ -534,6 +534,10 @@ kvm_close(kvm_t *kd) { int error = 0; + if (kd == NULL) { + errno = EINVAL; + return (-1); + } if (kd->vmst != NULL) kd->arch->ka_freevtop(kd); if (kd->pmfd >= 0) @@ -552,7 +556,7 @@ kvm_close(kvm_t *kd) free((void *)kd->argv); free((void *)kd); - return (0); + return (error); } /* |
