driver core: Make use of returned value of dev_err_probe()

Instead of assigning ret explicitly to the same value that is supplied
to dev_err_probe(), make use  of returned value of the latter.

Signed-off-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: andy-shev

drivers/base/core.c

@@ -1084,10 +1084,8 @@ int device_links_check_suppliers(struct device *dev)
 			}
 
 			device_links_missing_supplier(dev);
-			dev_err_probe(dev, -EPROBE_DEFER,
-				      "supplier %s not ready\n",
-				      dev_name(link->supplier));
-			ret = -EPROBE_DEFER;
+			ret = dev_err_probe(dev, -EPROBE_DEFER,
+					    "supplier %s not ready\n", dev_name(link->supplier));
 			break;
 		}
 		WRITE_ONCE(link->status, DL_STATE_CONSUMER_PROBE);