mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-09 12:33:18 -04:00
Code Issues Packages Projects Releases Wiki Activity

irqchip/loongson-htvec: Check return value of irq_domain_translate_onecell()

Browse Source 
Check the return value of irq_domain_translate_onecell() due to
it may returns -EINVAL if failed.

Fixes: 818e915fba ("irqchip: Add Loongson HyperTransport Vector support")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1594087972-21715-5-git-send-email-yangtiezhu@loongson.cn
This commit is contained in:
Tiezhu Yang
2020-07-07 10:12:48 +08:00
committed by Marc Zyngier
parent 652d54e77a
commit dbec37048d
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/irqchip/irq-loongson-htvec.c
View File

@@ -109,11 +109,14 @@ static struct irq_chip htvec_irq_chip = {
static int htvec_domain_alloc(struct irq_domain *domain, unsigned int virq,
unsigned int nr_irqs, void *arg)
{
int ret;
unsigned long hwirq;
unsigned int type, i;
struct htvec *priv = domain->host_data;
irq_domain_translate_onecell(domain, arg, &hwirq, &type);
ret = irq_domain_translate_onecell(domain, arg, &hwirq, &type);
if (ret)
return ret;
for (i = 0; i < nr_irqs; i++) {
irq_domain_set_info(domain, virq + i, hwirq + i, &htvec_irq_chip,