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 6EB6933C765 for ; Wed, 17 Sep 2025 13:18:11 +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=1758115091; cv=none; b=FLe0BEulfxeYK4QS6iEMik9bdLrfUfpiCTAdnWlvT/31SVV12G4frzXqrp8FTF1No+DvHNm2KzU9ylJQr0O6jRuCTobUCrClkd5ciYY5hWuCTv04WyXdi2IUNrn+VAST6KZxpiT6+T4eXcAsf/ow5mMnQvJnzAp85Oq7CDm2Nf0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758115091; c=relaxed/simple; bh=vHjh39rKns+2xFSG2qgLSw5hzV4LRHEoZA8acU1Xv8A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PtEN/d1wnuqIkso1Ri4uCnW0m0Lz5h/8IYTQ/x4TU2EUNx29I/IRZVm3fX47HL7mrLxt9h2n13IXbn8oGANI9LUTHaXUpXumJp14tB1jsiv7FuHOgHnn8dRUbIbFiRolTSD4GGEEu8iR7boHK/DOLGGXr+4shz9yqWcEvumvh2M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gTdpogGX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gTdpogGX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C478C4CEFA; Wed, 17 Sep 2025 13:18:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758115091; bh=vHjh39rKns+2xFSG2qgLSw5hzV4LRHEoZA8acU1Xv8A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gTdpogGX6huM4KHKZs/0Ddehmjm8fvgAnuBF1sCGyDOLfoo8BxTEj2jZVX5X0WLo9 ene5tgaESrnBahGCOhazxo5ESkKU7bBRmhelK3PoDi9kSS+/Uewp/e5BhqVZvOxHqv JKgPu9cacZHqsQiij34JypizYxmsRsHAwZoEl62A8du5nSFMtFCd3YltMZ9xjS0wRf /wucfNNt5i7JwiPqY0+RflOzxviaLOn3QeTrXqn9BKRmOREplLOe4Glm4dAKyPxumF 5d3I0emKsZUljIYBuWPe80GEBqMpRSoa8xO0iD72a7inG/E2g2EiBTXrp7cfUPVGqg g1w4WSDi4O8Qw== From: Sasha Levin To: stable@vger.kernel.org Cc: Johan Hovold , Roger Quadros , Vinod Koul , Sasha Levin Subject: [PATCH 6.6.y 2/2] phy: ti: omap-usb2: fix device leak at unbind Date: Wed, 17 Sep 2025 09:18:07 -0400 Message-ID: <20250917131807.543316-2-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250917131807.543316-1-sashal@kernel.org> References: <2025091751-almanac-unused-2e7b@gregkh> <20250917131807.543316-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Johan Hovold [ Upstream commit 64961557efa1b98f375c0579779e7eeda1a02c42 ] Make sure to drop the reference to the control device taken by of_find_device_by_node() during probe when the driver is unbound. Fixes: 478b6c7436c2 ("usb: phy: omap-usb2: Don't use omap_get_control_dev()") Cc: stable@vger.kernel.org # 3.13 Cc: Roger Quadros Signed-off-by: Johan Hovold Link: https://lore.kernel.org/r/20250724131206.2211-3-johan@kernel.org Signed-off-by: Vinod Koul Signed-off-by: Sasha Levin --- drivers/phy/ti/phy-omap-usb2.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c index 78e19b128962a..0fea766a98d75 100644 --- a/drivers/phy/ti/phy-omap-usb2.c +++ b/drivers/phy/ti/phy-omap-usb2.c @@ -363,6 +363,13 @@ static void omap_usb2_init_errata(struct omap_usb *phy) phy->flags |= OMAP_USB2_DISABLE_CHRG_DET; } +static void omap_usb2_put_device(void *_dev) +{ + struct device *dev = _dev; + + put_device(dev); +} + static int omap_usb2_probe(struct platform_device *pdev) { struct omap_usb *phy; @@ -373,6 +380,7 @@ static int omap_usb2_probe(struct platform_device *pdev) struct device_node *control_node; struct platform_device *control_pdev; const struct usb_phy_data *phy_data; + int ret; phy_data = device_get_match_data(&pdev->dev); if (!phy_data) @@ -423,6 +431,11 @@ static int omap_usb2_probe(struct platform_device *pdev) return -EINVAL; } phy->control_dev = &control_pdev->dev; + + ret = devm_add_action_or_reset(&pdev->dev, omap_usb2_put_device, + phy->control_dev); + if (ret) + return ret; } else { if (of_property_read_u32_index(node, "syscon-phy-power", 1, -- 2.51.0