From ecca3f9b16366e601a6748bf31e9fe227812248f Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Fri, 14 Oct 2022 17:24:13 -0700
Subject: scsi: core: Fail host creation if creating the proc directory fails

Users expect that the contents of /proc/scsi is in sync with the contents
of /sys/class/scsi_host. Hence fail host creation if creating the proc
directory fails.

Suggested-by: John Garry <john.garry@huawei.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Mike Christie <michael.christie@oracle.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20221015002418.30955-4-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
 drivers/scsi/hosts.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'drivers/scsi/hosts.c')

diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 9857dba09c95..12346e2297fd 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -519,7 +519,8 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 			     "failed to create tmf workq\n");
 		goto fail;
 	}
-	scsi_proc_hostdir_add(shost->hostt);
+	if (scsi_proc_hostdir_add(shost->hostt) < 0)
+		goto fail;
 	return shost;
  fail:
 	/*
-- 
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