[PATCH 4/4] scsi: handle command allocation failure in scsi_reset_provider

[Christoph Hellwig <hch@xxxxxx>]

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
Reviewed-by: Mike Christie <michaelc@xxxxxxxxxxx>
---
 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 f17aa7a..abe51ea 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;
 
-- 
1.7.10.4

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