net/ibmvnic: Fix typo in retry check

This conditional is missing a bang, with the intent
being to break when the retry count reaches zero.

Fixes: 476d96ca9cc5 ("ibmvnic: Bound waits for device queries")
Suggested-by: Juliet Kim <[e-mail]>
Signed-off-by: Thomas Falcon <[e-mail]>
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/ethernet/ibm/ibmvnic.c

···
 			netdev_err(netdev, "Device down!\n");
 			return -ENODEV;
 		}
-		if (retry--)
+		if (!retry--)
 			break;
 		if (wait_for_completion_timeout(comp_done, div_timeout))
 			return 0;