From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF25426ED59 for ; Thu, 10 Sep 2026 20:28:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.178 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789072131; cv=none; b=YVcTo26s1QUGgdlcef4M05AN+4NdIN17/GqDYZFF2faPZlQQ94rozLfzPzzlsoHPXNCcaQ6CP2Ya1Q2gSzf6kZHU0N/VHbmpDdEE7amDK8hVnnQLsyX5zZTglBfgY/FSx6XKX6s96ZxnbvAregcIj966JD++S2HwologxlsnMxs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789072131; c=relaxed/simple; bh=x4/uElXbKPNsHJIECqgisA9YuQG0BqXHRecovgEqQPg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=obz5OI/BiGWg7buu+X0JafoLWPsHq7B741pHxelEJoLE/6T5Sv86uvJffnbclGEZAeIdfZoUm3ZchX2OdgTZ2KucjXU8ZbQ6BGe1ByInt9SYki6gehew6XApiXfOQ+TYMpWKYxWU517okiJQ6GRzA5cvJsulgZzOpPXDr9rTg4Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=lVqZ4/FG; arc=none smtp.client-ip=209.85.214.178 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lVqZ4/FG" Received: by mail-pl1-f178.google.com with SMTP id d9443c01a7336-2d944747d41so1439155ad.0 for ; Thu, 10 Sep 2026 13:28:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1789072129; x=1789676929; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to:content-type; bh=Aa3oYV4B3MU/10qO4ouQXqPc/oc+sYQCXCIbQhucJYo=; b=lVqZ4/FGOZcsVRYMZLrW7ijoAy1CYNgnLzKs2s4NQt5l18ebH+OwlycdzgkQfDZDIg 4PruWKO6DDQBiFYX8S0zk9zZjWaN7LZCxqU6GrtJF0bPo0NwfR0nAPTt5BWPqkyUikJu yQkzuTz6iQqEtE6By3CGUsWdy6tqMQ6emLzDUpB449oQudEAB1n0e/rtc/Irqz1Gg13z 12hFo5N/LcC1F59i2qs7uSFIl/2YCgBhQnurGTN77v4Y5rayMWlfoGHHiUllRzJMzK43 YG4G85J+yjpCa5Utr6m6AQQJ4q7E+qnO+LIRKmAvgkClM0WzWNgfB2a2z0Y5W4cd/6+v RJOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1789072129; x=1789676929; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=Aa3oYV4B3MU/10qO4ouQXqPc/oc+sYQCXCIbQhucJYo=; b=GD0O44cKh5ZAozbqv3o+2NVWv7Gl++nU5GP9EWAQEhXDEMj2THuuRmGD5/L1oQgBgj pk6JaV4mwVXCnP0o8eF+85Y3zSeceM7ztSKMsgg/8WZrxA6NLZdMBJgY+htEK8/n9xjF lpV5oFlV4D9TwwbUqjmkj2Vuhf7wG5BnVofEU2IJgm5ErM6amH0uEV/ZBvp8xKxf6Spw mihO68Yr69Rizy5vmcXoFXup68FOM8xWoZZOZvynAfaldXEIcRp/x2MPG5ylblYPAxdW ndjvT1KCLF0dFgg2IAol+Sq8T6hle5VCSLwU6hsfVF30t9fhPVYuzgyS4vuuV923a3hS Mbuw== X-Gm-Message-State: AFuF++mWCBSPWRPC9tJ7YP9a0TlvH4lO+0Mz9pZxcKpXisiIA383WB0+ e602K4usbU56m1betgTSy80AyMehqQCARoLuAirdue3cMeO3gTDyoUU78TS2xA== X-Gm-Gg: AYBFou0wVVIvWtRXMXe4rN6UiF+nI7KhuLxTHUH3nEte1TLp2v1n+qWyBXmLahbfDXz cHT8T6QGC96j4agVDD/8SWqBW1nocHu7gYiKvO+GLcUszSGqs0Y3gKeaQ4mu1khyf4bDVaShdrm ENSMDCF7bnVBr2ITSMIRc6zv+48Yk5ua2vYBCxaBKi81z1XM15sd1whARwSMjZd+BE4fl6ls/YU rvu5idwH1hw8k9PeqIgcatdjpcsAego/AVntdONe1+CWhXZd061E3/A18I8vM2sQFi4LkA8jR7/ 5k3kPiyo19qNO48V9nWJra83/MGeGuOp3XD1pCU/AlbvSf6sCshHeywwG0KG7jGSrDAyki/2rPA fSe26SNsIiS/mcWDfsueVlcAtAhhRa6ca14ooRmg1xnXJaCUmXiLQxVeqHqxQreIXtoQLD0tJ+Y MwmXwIl4kI1uhjMixsenEo+AB0bnxyBr95R5+zZ1lIrkmCZlTunI1aKE6Q7BipCTKWRoPisiiBk 98FODvKd/PA/D/2oXL3NyswWPuk0g2YFsAzuLvtozX/b2HA9Mo5flMO5Dq5AZ9UWNx26Z29mkBF o5QnoU+yirPtPTc654RxniABxgzlrXu6WCEJ4+viilhdIQFZ X-Received: by 2002:a17:903:1a4d:b0:2d9:2149:57c0 with SMTP id d9443c01a7336-2dd2a56f3e4mr20652425ad.22.1789072128998; Thu, 10 Sep 2026 13:28:48 -0700 (PDT) Received: from ryzen.lan ([2601:644:8000:7a86::e35]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2dd2ceb4024sm1430895ad.33.2026.09.10.13.28.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2026 13:28:47 -0700 (PDT) From: Rosen Penev To: dmaengine@vger.kernel.org Cc: Zhang Wei , Vinod Koul , Frank Li , linuxppc-dev@lists.ozlabs.org (open list:FREESCALE DMA DRIVER), linux-kernel@vger.kernel.org (open list) Subject: [PATCHv2] dmaengine: fsldma: kill tasklet before removing channel Date: Thu, 10 Sep 2026 13:28:46 -0700 Message-ID: <20260910202846.48941-1-rosenp@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add tasklet_kill() in fsl_dma_chan_remove() to prevent a race where the tasklet is scheduled by the IRQ handler and runs after the channel has been freed. Assisted-by: opencode:big-pickle Signed-off-by: Rosen Penev Reviewed-by: Frank Li --- v2: split from series and wrap at 75 characters drivers/dma/fsldma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 6ce0e5668dc2..5eca8ab23564 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -1207,6 +1207,7 @@ static int fsl_dma_chan_probe(struct fsldma_device *fdev, static void fsl_dma_chan_remove(struct fsldma_chan *chan) { + tasklet_kill(&chan->tasklet); irq_dispose_mapping(chan->irq); list_del(&chan->common.device_node); iounmap(chan->regs); -- 2.55.0