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 D8E0122DFA5; Mon, 10 Mar 2025 17:29:35 +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=1741627775; cv=none; b=aOtsYGQqlMPfOLNb2APElTajanRckiZrTqW7O335FpKlNm8p6JqLZGH5fl0ZmCYJokdbAr4APq1275tc5j4zVl3l95zS+XJhR95yyr7TsXt1tIEOnxpFtuL7ROjQCW10FFmVSlJjK9ZeokXTpI+yLdryahVlVtJGuKj6bangRFM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741627775; c=relaxed/simple; bh=ct3L0Nm0Z+NAacsefIlLnMBTVPIc4eb0RH77khvHjUU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=V8SkgbaRIOnf9mk+AoIq78Oj32kEheaLBByuJDNfFhLXFYvag7/miCSLcmp5Csx0Ae5Hf3JEWexasRmNJoOymSj48nXSF4IgnR2Xd1GZ/6GFMWHmHbf7BWl8m7LPax/JdHDlsLb87lxXbdsyME4KzhE5yw3OU2Ggb+ei1Zh6y74= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DuJCQO5F; 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="DuJCQO5F" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F0104C4CEE5; Mon, 10 Mar 2025 17:29:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1741627775; bh=ct3L0Nm0Z+NAacsefIlLnMBTVPIc4eb0RH77khvHjUU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DuJCQO5FxRhC8dz1SgU68roFjPKeAG8NpUdzGGT2ZZtaeqi2O8PP5oLnpwm2yBwHt 70/dS1Rzri/BIdAQpDnnZ+i9hguS5x20t1x0lHvH8eyFWdphaiFbZvOVXi6pguCBtk g9oRvaXAScxnoZUBDJLc8qM5D9m0IJSEWKHBMAeY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Saravana Kannan , Luca Ceresoli Subject: [PATCH 6.12 244/269] drivers: core: fix device leak in __fw_devlink_relax_cycles() Date: Mon, 10 Mar 2025 18:06:37 +0100 Message-ID: <20250310170507.521324798@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250310170457.700086763@linuxfoundation.org> References: <20250310170457.700086763@linuxfoundation.org> User-Agent: quilt/0.68 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 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Luca Ceresoli commit 78eb41f518f414378643ab022241df2a9dcd008b upstream. Commit bac3b10b78e5 ("driver core: fw_devlink: Stop trying to optimize cycle detection logic") introduced a new struct device *con_dev and a get_dev_from_fwnode() call to get it, but without adding a corresponding put_device(). Closes: https://lore.kernel.org/all/20241204124826.2e055091@booty/ Fixes: bac3b10b78e5 ("driver core: fw_devlink: Stop trying to optimize cycle detection logic") Cc: stable@vger.kernel.org Reviewed-by: Saravana Kannan Signed-off-by: Luca Ceresoli Link: https://lore.kernel.org/r/20250213-fix__fw_devlink_relax_cycles_missing_device_put-v2-1-8cd3b03e6a3f@bootlin.com Signed-off-by: Greg Kroah-Hartman --- drivers/base/core.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2079,6 +2079,7 @@ static bool __fw_devlink_relax_cycles(st out: sup_handle->flags &= ~FWNODE_FLAG_VISITED; put_device(sup_dev); + put_device(con_dev); put_device(par_dev); return ret; }