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authorJeff Xie <jeff.xie@linux.dev>2024-08-26 22:58:05 +0800
committerThomas Gleixner <tglx@linutronix.de>2024-08-29 16:42:06 +0200
commiteb29369fa543e7d5557c19ebecf072244bb14815 (patch)
treebab8972a0540d4e974bae6134919c5846febeb14
parent9012f84e1c5b653c282b7a6cca81454ecf7c5a0a (diff)
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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: Jeff Xie <jeff.xie@linux.dev> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20240826145805.5938-1-jeff.xie@linux.dev
-rw-r--r--kernel/irq/proc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index d98fb9c2c667..9081ada81c3d 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -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;