diff options
Diffstat (limited to 'usr.sbin/iostat')
| -rw-r--r-- | usr.sbin/iostat/iostat.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/usr.sbin/iostat/iostat.c b/usr.sbin/iostat/iostat.c index 01c8c69..7446780 100644 --- a/usr.sbin/iostat/iostat.c +++ b/usr.sbin/iostat/iostat.c @@ -823,15 +823,16 @@ readvar(kvm_t *kd, const char *name, int nlid, void *ptr, size_t len) if (kd != NULL) { ssize_t nbytes; - nbytes = kvm_read(kd, nlid, ptr, len); + nbytes = kvm_read(kd, namelist[nlid].n_value, ptr, len); - if (nbytes == 0) { - warnx("kvm_read(%s): %s", name, kvm_geterr(kd)); + if (nbytes < 0) { + warnx("kvm_read(%s): %s", namelist[nlid].n_name, + kvm_geterr(kd)); return (1); } if (nbytes != len) { - warnx("kvm_read(%s): expected %lu bytes, got %ld bytes", - name, (unsigned long)len, (long)nbytes); + warnx("kvm_read(%s): expected %zu bytes, got %zd bytes", + namelist[nlid].n_name, len, nbytes); return (1); } } else { |
