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>

1 files changed, 6 insertions, 0 deletions

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;