zed: Fix zed ASSERT on slot power cycle

We would see zed assert on one of our systems if we powered off a
slot.  Further examination showed zfs_retire_recv() was reporting
a GUID of 0, which in turn would return a NULL nvlist.  Add
in a check for a zero GUID.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #15084
This commit is contained in:
Tony Hutter 2023-07-21 11:46:58 -07:00 committed by Brian Behlendorf
parent b221f43943
commit 8c81c0b05d

View File

@ -416,6 +416,11 @@ zfs_retire_recv(fmd_hdl_t *hdl, fmd_event_t *ep, nvlist_t *nvl,
FM_EREPORT_PAYLOAD_ZFS_VDEV_GUID, &vdev_guid) != 0)
return;
if (vdev_guid == 0) {
fmd_hdl_debug(hdl, "Got a zero GUID");
return;
}
if (spare) {
int nspares = find_and_remove_spares(zhdl, vdev_guid);
fmd_hdl_debug(hdl, "%d spares removed", nspares);