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

[ Upstream commit 632c4ae6da1d629eddf9da1e692d7617c568c256 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/scsi/pcmcia/fdomain_cs.c b/drivers/scsi/pcmcia/fdomain_cs.c
index e42acf314d068c6f71c4a352638e129ed0a86740..33df6a9ba9b5f44aa11d119e549a58097618f89e 100644 (file)
--- 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) {