linux-kernel - [PATCH] media: venus: hfi: explicitly release IRQ during teardown

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Message-Id: <20250612082943.2753676-1-jorge.ramirez@oss.qualcomm.com>
Date: Thu, 12 Jun 2025 10:29:43 +0200
From: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>
To: jorge.ramirez@....qualcomm.com, quic_vgarodia@...cinc.com,
        quic_dikshita@...cinc.com, bryan.odonoghue@...aro.org,
        loic.poulain@....qualcomm.com, mchehab@...nel.org,
        hans.verkuil@...co.com
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] media: venus: hfi: explicitly release IRQ during teardown

Ensure the IRQ is released before dismantling the ISR handler and
clearing related pointers.

This prevents any possibility of the interrupt triggering after the
handler context has been invalidated.

Fixes: d96d3f30c0f2 ("[media] media: venus: hfi: add Venus HFI files")
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>
---
 drivers/media/platform/qcom/venus/hfi_venus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
index b5f2ea879950..d9d62d965bcf 100644
--- a/drivers/media/platform/qcom/venus/hfi_venus.c
+++ b/drivers/media/platform/qcom/venus/hfi_venus.c
@@ -1678,6 +1678,7 @@ void venus_hfi_destroy(struct venus_core *core)
 	venus_interface_queues_release(hdev);
 	mutex_destroy(&hdev->lock);
 	kfree(hdev);
+	devm_free_irq(core->dev, core->irq, core);
 	core->ops = NULL;
 }
 
-- 
2.34.1