Commit eb29369f authored by Jeff Xie's avatar Jeff Xie Committed by Thomas Gleixner
Browse files

genirq/proc: Change the return value for set affinity permission error 



Currently, when the affinity of an irq cannot be set due to lack of
permission, the write_irq_affinity() returns the error code -EIO.

Change the return value to -EPERM as that reflects the cause of error
correctly.

Signed-off-by: default avatarJeff Xie <jeff.xie@linux.dev>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20240826145805.5938-1-jeff.xie@linux.dev
parent 9012f84e

kernel/irq/proc.c

+1 −1
Original line number Diff line number Diff line
@@ -140,7 +140,7 @@ static ssize_t write_irq_affinity(int type, struct file *file, 
	int err;



	if (!irq_can_set_affinity_usr(irq) || no_irq_affinity)

		return -EIO;

		return -EPERM;



	if (!zalloc_cpumask_var(&new_value, GFP_KERNEL))

		return -ENOMEM;