linux-kernel - [PATCH v3 12/22] serial: core: Switch to irq_get_nr

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Message-ID: <20241015190953.1266194-13-bvanassche@acm.org>
Date: Tue, 15 Oct 2024 12:09:43 -0700
From: Bart Van Assche <bvanassche@....org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Russell King <linux@...linux.org.uk>,
	linux-kernel@...r.kernel.org,
	Bart Van Assche <bvanassche@....org>
Subject: [PATCH v3 12/22] serial: core: Switch to irq_get_nr_irqs()

Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Bart Van Assche <bvanassche@....org>
---
 drivers/tty/serial/serial_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index d94d73e45fb6..74fa02b23772 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -919,7 +919,7 @@ static int uart_set_info(struct tty_struct *tty, struct tty_port *port,
 	if (uport->ops->verify_port)
 		retval = uport->ops->verify_port(uport, new_info);
 
-	if ((new_info->irq >= nr_irqs) || (new_info->irq < 0) ||
+	if ((new_info->irq >= irq_get_nr_irqs()) || (new_info->irq < 0) ||
 	    (new_info->baud_base < 9600))
 		retval = -EINVAL;