From 95eeb5f5880cd390fd59710f64dc7b84d1e9942f Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Thu, 1 May 2014 16:51:05 +0200
Subject: [PATCH] scsi: handle command allocation failure in
scsi_reset_provider
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/scsi_error.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index f17aa7aa7879..abe51eab3dc6 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -2306,6 +2306,12 @@ scsi_reset_provider(struct scsi_device *dev, int flag)
}
scmd = scsi_get_command(dev, GFP_KERNEL);
+ if (!scmd) {
+ rtn = FAILED;
+ put_device(&dev->sdev_gendev);
+ goto out_put_autopm_host;
+ }
+
blk_rq_init(NULL, &req);
scmd->request = &req;
--
2.34.1