rpmsg: Strcpy is not safe, use strscpy_pad() instead

Replace strcpy() with strscpy_pad() for copying the rpmsg
device name in rpmsg_register_device_override().

Reported-by: kernel test robot <[email protected]>
Signed-off-by: Saud Farooqui <[email protected]>
Link: https://lore.kernel.org/r/PA4P189MB14210AA95DCA3715AFA7F4A68BB59@PA4P189MB1421.EURP189.PROD.OUTLOOK.COM
Signed-off-by: Mathieu Poirier <[email protected]>

Author: fsaud

drivers/rpmsg/rpmsg_core.c

@@ -604,7 +604,7 @@ int rpmsg_register_device_override(struct rpmsg_device *rpdev,
 	int ret;
 
 	if (driver_override)
-		strcpy(rpdev->id.name, driver_override);
+		strscpy_pad(rpdev->id.name, driver_override, RPMSG_NAME_SIZE);
 
 	dev_set_name(dev, "%s.%s.%d.%d", dev_name(dev->parent),
 		     rpdev->id.name, rpdev->src, rpdev->dst);