The aspeed irqchip driver overwrites the default irq domain name, but doesn't free the existing domain name. This patch frees the irq domain name before overwriting it. kmemleak trace: unreferenced object 0xb8004c40 (size 64): comm "swapper", pid 0, jiffies 4294937303 (age 747.660s) hex dump (first 32 bytes): 3a 61 68 62 3a 61 70 62 3a 62 75 73 40 31 65 37 :ahb:apb:bus@1e7 38 61 30 30 30 3a 69 6e 74 65 72 72 75 70 74 2d 8a000:interrupt- backtrace: [<086b59b8>] kmemleak_alloc+0xa8/0xc0 [<b5a3490c>] __kmalloc_track_caller+0x118/0x1a0 [<f59c7ced>] kvasprintf+0x5c/0xc0 [<49275eec>] kasprintf+0x30/0x50 [<5713064b>] __irq_domain_add+0x184/0x25c [<53c594d0>] aspeed_i2c_ic_of_init+0x9c/0x128 [<d8d7017e>] of_irq_init+0x1ec/0x314 [<f8405bf1>] irqchip_init+0x1c/0x24 [<7ef974b3>] init_IRQ+0x30/0x90 [<87a1438f>] start_kernel+0x28c/0x458 [< (null)>] (null) [<f0763fdf>] 0xffffffff Signed-off-by: Roy van Doormaal <roy.van.doormaal@xxxxxxxxxxxxxxxxxxxxxxxxx> --- Changes in v2: - drop irq domain name assignment by the aspeed irqchip driver --- drivers/irqchip/irq-aspeed-i2c-ic.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/irqchip/irq-aspeed-i2c-ic.c b/drivers/irqchip/irq-aspeed-i2c-ic.c index 8d591c179f81..0bd46f63a3c3 100644 --- a/drivers/irqchip/irq-aspeed-i2c-ic.c +++ b/drivers/irqchip/irq-aspeed-i2c-ic.c @@ -92,8 +92,6 @@ static int __init aspeed_i2c_ic_of_init(struct device_node *node, goto err_iounmap; } - i2c_ic->irq_domain->name = "aspeed-i2c-domain"; - irq_set_chained_handler_and_data(i2c_ic->parent_irq, aspeed_i2c_ic_irq_handler, i2c_ic); -- 2.20.1
