Messages in this thread Patch in this message | | | From | Wen Yang <> | Subject | [PATCH] irq/proc: throw error number when irq_set_affinity fails in write_irq_affinity() | Date | Wed, 8 Nov 2017 09:55:03 +0800 |
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When irq_set_affinity() fails in write_irq_affinity(), it'll not throw error number like, https://bugzilla.kernel.org/show_bug.cgi?id=197795
This patch should fix that.
Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Reviewed-by: Jiang Biao <jiang.biao2@zte.com.cn> --- kernel/irq/proc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index 7f9642a..574d41c 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -154,8 +154,9 @@ static ssize_t write_irq_affinity(int type, struct file *file, */ err = irq_select_affinity_usr(irq) ? -EINVAL : count; } else { - irq_set_affinity(irq, new_value); - err = count; + err = irq_set_affinity(irq, new_value); + if(!err) + err = count; } free_cpumask: -- 1.8.3.1
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