mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-08-31 03:35:32 -04:00
Code Issues Packages Projects Releases Wiki Activity

irqdomain: Plug leak in irq_domain_alloc_irqs_locked() error path

Browse Source 
When irq_domain_trim_hierarchy() fails in irq_domain_alloc_irqs_locked(),
the error handling path fails to undo the hierarchy allocations.

Add the missing cleanup.

[ tglx: Massage change log ]

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260623075134.4432-2-shikemeng@huaweicloud.com
This commit is contained in:
Kemeng Shi
2026-06-23 15:51:32 +08:00
committed by Thomas Gleixner
parent dc59e4fea9
commit 13856e2221
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
kernel/irq/irqdomain.c
View File

@@ -1658,7 +1658,7 @@ static int irq_domain_alloc_irqs_locked(struct irq_domain *domain, int irq_base,
for (i = 0; i < nr_irqs; i++) {
ret = irq_domain_trim_hierarchy(virq + i);
if (ret)
goto out_free_irq_data;
goto out_free_irqs;
}
for (i = 0; i < nr_irqs; i++)
@@ -1666,6 +1666,8 @@ static int irq_domain_alloc_irqs_locked(struct irq_domain *domain, int irq_base,
return virq;
out_free_irqs:
irq_domain_free_irqs_hierarchy(domain, virq, nr_irqs);
out_free_irq_data:
irq_domain_free_irq_data(virq, nr_irqs);
out_free_desc: