skd: fix error return code in skd_pci_probe()

Fix to return -ENOMEM in the skd construct error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/block/skd_main.c

@@ -5321,8 +5321,10 @@ static int skd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	}
 
 	skdev = skd_construct(pdev);
-	if (skdev == NULL)
+	if (skdev == NULL) {
+		rc = -ENOMEM;
 		goto err_out_regions;
+	}
 
 	skd_pci_info(skdev, pci_str);
 	pr_info("(%s): %s 64bit\n", skd_name(skdev), pci_str);