mtd: maps: physmap: Return -ENOMEM directly when info allocation fails

There's no point going to the err_out path since no resources have
been allocated yet, just return -ENOMEM directly.

Signed-off-by: Boris Brezillon <[e-mail]>
Reviewed-by: Ricardo Ribalda Delgado <[e-mail]>
Acked-by: Linus Walleij <[e-mail]>

drivers/mtd/maps/physmap.c

···
 
 	info = devm_kzalloc(&dev->dev, sizeof(struct physmap_flash_info),
 			    GFP_KERNEL);
-	if (info == NULL) {
-		err = -ENOMEM;
-		goto err_out;
-	}
+	if (!info)
+		return -ENOMEM;
 
 	while (platform_get_resource(dev, IORESOURCE_MEM, info->nmaps))
 		info->nmaps++;