lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Tue, 14 Mar 2023 01:04:41 +0800
From:   Jisheng Zhang <jszhang@...nel.org>
To:     Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 02/11] dmaengine: dw-axi-dmac: remove unnecessary devm_free_irq() calling

In dw_remove(), We have disabled the irq from the dw-axi-dma side, so
we are safe against the case "The irq is still ON when devices remove
is executed and irq should be quiesced before remove is completed."

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
---
 drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index 23a10dbdecb7..56f12dfa410d 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -1542,8 +1542,6 @@ static int dw_remove(struct platform_device *pdev)
 	pm_runtime_disable(chip->dev);
 	axi_dma_suspend(chip);
 
-	devm_free_irq(chip->dev, chip->irq, chip);
-
 	of_dma_controller_free(chip->dev->of_node);
 
 	list_for_each_entry_safe(chan, _chan, &dw->dma.channels,
-- 
2.39.2

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ