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serial: 8250: Switch to irq_get_nr_irqs()

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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.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-14-bvanassche@acm.org
This commit is contained in:
Bart Van Assche 2024-10-15 12:09:44 -07:00 committed by Thomas Gleixner
parent 5732a63bad
commit 4846c4c17e
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/8250/8250_port.c
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@ -3176,7 +3176,7 @@ static void serial8250_config_port(struct uart_port *port, int flags)
static int
serial8250_verify_port(struct uart_port *port, struct serial_struct *ser)
{
if (ser->irq >= nr_irqs || ser->irq < 0 ||
if (ser->irq >= irq_get_nr_irqs() || ser->irq < 0 ||
ser->baud_base < 9600 || ser->type < PORT_UNKNOWN ||
ser->type >= ARRAY_SIZE(uart_config) || ser->type == PORT_CIRRUS ||
ser->type == PORT_STARTECH)