From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A019C3AA4F8; Mon, 4 May 2026 14:13:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777904010; cv=none; b=hy/vmq9dOloS0qi1y9tibtyLLeE3koUEwXArNd+Th6csC1u6YIchD+fjX/2nA/KisyyWUlh4AzU45+fH6TQIi2mJjcNTPiqHb0batxdgFj4pkRrDYjVpsAWkSrnWTTM9LET8Zvj+lgHQjXXZYf5sNWMWRS04EtzwZRrfFfyAPP0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777904010; c=relaxed/simple; bh=KVOBMvo9u7TvfOFk4qW2SR9Gei1bbGYHRz/hMGfVMNE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ue3ABAX3E3nrs3qX0ZQgP/mbt9wS8PGD+1IuGyvkHzji47864dpS0TAbXIMlerTk2yhUYUxVp5Hy/qt+03iQtU0sypcJQxhJ4NqIiFWPrgFUHqOczeV1aIEFwcttBpFpSJyjq+Hekl7Ji4OVlxlRE87nISjHDcVlE14quD/3f/Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=bAND1jP7; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="bAND1jP7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 383E8C2BCC4; Mon, 4 May 2026 14:13:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1777904010; bh=KVOBMvo9u7TvfOFk4qW2SR9Gei1bbGYHRz/hMGfVMNE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bAND1jP7kI9/aZRYjZCUj+LXQFpRIQ6yFv4cmHYjCmr4sFiHCK5fiJvNRZM14QVZD /p8Ib+J5+kU6GAEcntLr2BFWrBs91syUqRPZBS/DOnzzR1GU8p9eYZ9M83IrI2BU/c Ca6MyrXrrgEYlq+uYdbJpnMCS7MTlNqn1ILDlUYQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Giovanni Cabiddu , Ahsan Atta , Laurent M Coquerel , Herbert Xu Subject: [PATCH 6.18 148/275] crypto: qat - fix IRQ cleanup on 6xxx probe failure Date: Mon, 4 May 2026 15:51:28 +0200 Message-ID: <20260504135148.428253112@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260504135142.929052779@linuxfoundation.org> References: <20260504135142.929052779@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Giovanni Cabiddu commit 95aed2af87ec43fa7624cc81dd13d37824ad4972 upstream. When adf_dev_up() partially completes and then fails, the IRQ handlers registered during adf_isr_resource_alloc() are not detached before the MSI-X vectors are released. Since the device is enabled with pcim_enable_device(), calling pci_alloc_irq_vectors() internally registers pcim_msi_release() as a devres action. On probe failure, devres runs pcim_msi_release() which calls pci_free_irq_vectors(), tearing down the MSI-X vectors while IRQ handlers (for example 'qat0-bundle0') are still attached. This causes remove_proc_entry() warnings: [ 22.163964] remove_proc_entry: removing non-empty directory 'irq/143', leaking at least 'qat0-bundle0' Moving the devm_add_action_or_reset() before adf_dev_up() does not solve the problem since devres runs in LIFO order and pcim_msi_release(), registered later inside adf_dev_up(), would still fire before adf_device_down(). Fix by calling adf_dev_down() explicitly when adf_dev_up() fails, to properly free IRQ handlers before devres releases the MSI-X vectors. Fixes: 17fd7514ae68 ("crypto: qat - add qat_6xxx driver") Cc: stable@vger.kernel.org Signed-off-by: Giovanni Cabiddu Reviewed-by: Ahsan Atta Reviewed-by: Laurent M Coquerel Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman --- drivers/crypto/intel/qat/qat_6xxx/adf_drv.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/crypto/intel/qat/qat_6xxx/adf_drv.c +++ b/drivers/crypto/intel/qat/qat_6xxx/adf_drv.c @@ -182,8 +182,10 @@ static int adf_probe(struct pci_dev *pde return ret; ret = adf_dev_up(accel_dev, true); - if (ret) + if (ret) { + adf_dev_down(accel_dev); return ret; + } ret = devm_add_action_or_reset(dev, adf_device_down, accel_dev); if (ret)