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iscsi class: fix get_host_stats error handling

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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>
This commit is contained in:
Mike Christie 2014-07-12 15:51:48 -05:00 committed by Christoph Hellwig
parent 7f3976f03f
commit 2f7608fc5e
1 changed files with 4 additions and 0 deletions
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4
drivers/scsi/scsi_transport_iscsi.c
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@ -3467,6 +3467,10 @@ iscsi_get_host_stats(struct iscsi_transport *transport, struct nlmsghdr *nlh)
memset(buf, 0, host_stats_size); memset(buf, 0, host_stats_size);
err = transport->get_host_stats(shost, buf, 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); actual_size = nlmsg_total_size(sizeof(*ev) + host_stats_size);
skb_trim(skbhost_stats, NLMSG_ALIGN(actual_size)); skb_trim(skbhost_stats, NLMSG_ALIGN(actual_size));