From: Mike Christie <michaelc@cs.wisc.edu>
Date: Sat, 12 Jul 2014 20:51:48 +0000 (-0500)
Subject: iscsi class: fix get_host_stats error handling
X-Git-Tag: v4.14-rc1~6994^2^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2f7608fc5e6c8a70df3ce31406feee70a42458ba;p=platform%2Fkernel%2Flinux-rpi.git

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 @@ iscsi_get_host_stats(struct iscsi_transport *transport, struct nlmsghdr *nlh)
 		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));