linux-can-fixes-for-6.4-20230622

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Merge tag 'linux-can-fixes-for-6.4-20230622' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2023-06-22

Oliver Hartkopp's patch fixes the return value in the error path of
isotp_sendmsg() in the CAN ISOTP protocol.

* tag 'linux-can-fixes-for-6.4-20230622' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
  can: isotp: isotp_sendmsg(): fix return error fix on TX path
====================

Link: https://lore.kernel.org/r/20230622090122.574506-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net/can/isotp.c

@@ -1112,8 +1112,9 @@ wait_free_buffer:
 		if (err)
 			goto err_event_drop;
 
-		if (sk->sk_err)
-			return -sk->sk_err;
+		err = sock_error(sk);
+		if (err)
+			return err;
 	}
 
 	return size;