diff options
Diffstat (limited to 'sys/cam')
-rw-r--r-- | sys/cam/ctl/ctl.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/sys/cam/ctl/ctl.c b/sys/cam/ctl/ctl.c index 50565a5..a7444b6 100644 --- a/sys/cam/ctl/ctl.c +++ b/sys/cam/ctl/ctl.c @@ -2770,32 +2770,29 @@ ctl_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, break; } case CTL_GETSTATS: { - struct ctl_stats *stats; + struct ctl_stats *stats = (struct ctl_stats *)addr; int i; - stats = (struct ctl_stats *)addr; - - if ((sizeof(struct ctl_lun_io_stats) * softc->num_luns) > - stats->alloc_len) { - stats->status = CTL_SS_NEED_MORE_SPACE; - stats->num_luns = softc->num_luns; - break; - } /* * XXX KDM no locking here. If the LUN list changes, * things can blow up. */ i = 0; + stats->status = CTL_SS_OK; + stats->fill_len = 0; STAILQ_FOREACH(lun, &softc->lun_list, links) { + if (stats->fill_len + sizeof(lun->stats) > + stats->alloc_len) { + stats->status = CTL_SS_NEED_MORE_SPACE; + break; + } retval = copyout(&lun->stats, &stats->lun_stats[i++], sizeof(lun->stats)); if (retval != 0) break; + stats->fill_len += sizeof(lun->stats); } stats->num_luns = softc->num_luns; - stats->fill_len = sizeof(struct ctl_lun_io_stats) * - softc->num_luns; - stats->status = CTL_SS_OK; #ifdef CTL_TIME_IO stats->flags = CTL_STATS_FLAG_TIME_VALID; #else |