2021-12-13 07:29:47

by Yang Yingliang

[permalink] [raw]
Subject: [PATCH -next] maple: fix to pass correct device identity to free_irq

free_irq() expects the same device identity that was passed to
corresponding request_irq(), otherwise the IRQ is not freed.

Signed-off-by: Yang Yingliang <[email protected]>
---
drivers/sh/maple/maple.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/sh/maple/maple.c b/drivers/sh/maple/maple.c
index e24e220e56ee..398043a4e870 100644
--- a/drivers/sh/maple/maple.c
+++ b/drivers/sh/maple/maple.c
@@ -870,10 +870,10 @@ static int __init maple_bus_init(void)
kmem_cache_destroy(maple_queue_cache);

cleanup_bothirqs:
- free_irq(HW_EVENT_VSYNC, 0);
+ free_irq(HW_EVENT_VSYNC, &maple_unsupported_device);

cleanup_irq:
- free_irq(HW_EVENT_MAPLE_DMA, 0);
+ free_irq(HW_EVENT_MAPLE_DMA, &maple_unsupported_device);

cleanup_dma:
free_pages((unsigned long) maple_sendbuf, MAPLE_DMA_PAGES);
--
2.25.1