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 <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240821154839.604259-5-andriy.shevchenko@linux.intel.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>