From: Wei Li <liwei391@huawei.com>

Date: Thu, 15 Jul 2021 11:26:25 +0800

Subject: scsi: fdomain: Fix error return code in fdomain_probe()

Git-commit: 632c4ae6da1d629eddf9da1e692d7617c568c256

Patch-mainline: v5.15-rc1

References: git-fixes

If request_region() fails the return value is not set. Return -EBUSY on

error.

Link: https://lore.kernel.org/r/20210715032625.1395495-1-liwei391@huawei.com

Fixes: 8674a8aa2c39 ("scsi: fdomain: Add PCMCIA support")

Reported-by: Hulk Robot <hulkci@huawei.com>

Signed-off-by: Wei Li <liwei391@huawei.com>

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Acked-by: Lee Duncan <lduncan@suse.com>

---

 drivers/scsi/pcmcia/fdomain_cs.c | 4 +++-

 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/pcmcia/fdomain_cs.c b/drivers/scsi/pcmcia/fdomain_cs.c

index e42acf314d06..33df6a9ba9b5 100644

--- a/drivers/scsi/pcmcia/fdomain_cs.c

+++ b/drivers/scsi/pcmcia/fdomain_cs.c

@@ -45,8 +45,10 @@ static int fdomain_probe(struct pcmcia_device *link)

 		goto fail_disable;

 	if (!request_region(link->resource[0]->start, FDOMAIN_REGION_SIZE,

-			    "fdomain_cs"))

+			    "fdomain_cs")) {

+		ret = -EBUSY;

 		goto fail_disable;

+	}

 	sh = fdomain_create(link->resource[0]->start, link->irq, 7, &link->dev);

 	if (!sh) {