iscsi class: fix get_host_stats error handling
iscsi_get_host_stats was dropping the error code returned
by drivers like qla4xxx.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index b481e62..14bfa53 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -3467,6 +3467,10 @@
memset(buf, 0, host_stats_size);
err = transport->get_host_stats(shost, buf, host_stats_size);
+ if (err) {
+ kfree(skbhost_stats);
+ goto exit_host_stats;
+ }
actual_size = nlmsg_total_size(sizeof(*ev) + host_stats_size);
skb_trim(skbhost_stats, NLMSG_ALIGN(actual_size));