From: popcornmix <popcornmix@gmail.com>
Date: Fri, 5 May 2017 12:23:10 +0000 (+0100)
Subject: Revert "serial: 8250: Don't crash when nr_uarts is 0"
X-Git-Tag: archive/raspbian/4.9.51-1+rpi1~5^2~288
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=1f73e9b548492b86e248d63f9cc3b363bd298404;p=linux-4.9.git

Revert "serial: 8250: Don't crash when nr_uarts is 0"

This reverts commit 9c297d9ebd0d8c6d5e6e8675d527d6a221613abc.
---

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index cf9c7d2e3f95..e8819aa20415 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -509,8 +509,6 @@ static void __init serial8250_isa_init_ports(void)
 
 	if (nr_uarts > UART_NR)
 		nr_uarts = UART_NR;
-	if (!nr_uarts)
-		return;
 
 	for (i = 0; i < nr_uarts; i++) {
 		struct uart_8250_port *up = &serial8250_ports[i];