tty: hvcs.c: move assignment out of if () block

We should not be doing assignments within an if () block
so fix up the code to not do this.

change was created using Coccinelle.

CC: Jiri Slaby <jslaby@suse.cz>
CC: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/hvc/hvcs.c

@@ -1044,8 +1044,8 @@ static int hvcs_enable_device(struct hvcs_struct *hvcsd, uint32_t unit_address,
 	 * It is possible that the vty-server was removed between the time that
 	 * the conn was registered and now.
 	 */
-	if (!(rc = request_irq(irq, &hvcs_handle_interrupt,
-				0, "ibmhvcs", hvcsd))) {
+	rc = request_irq(irq, &hvcs_handle_interrupt, 0, "ibmhvcs", hvcsd);
+	if (!rc) {
 		/*
 		 * It is possible the vty-server was removed after the irq was
 		 * requested but before we have time to enable interrupts.