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 BEB141C03 for ; Mon, 20 Mar 2023 15:22:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 38039C433D2; Mon, 20 Mar 2023 15:22:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1679325723; bh=0YqCqh+Qg+2o7MkvMn8iGQ1yHulaS9ofUuDEMfWzGW0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Zf9/O9BchGC+cldX31+/wnVZ+N1wsrGX9uW6S8mA6Ga0/yIFO5cFw//apeKdCOwpo CRpJNjwHu12J8hrPbLgpUkqzFlyVCwzY1gM6kObY/o4+tueYcdTF9xqqZfgCSxaevB kCtaJX0QM3c9RHvDPJqe2FN0IpogEcs9UgDl2HVs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Konrad Dybcio , Johan Hovold , Georgi Djakov , Luca Ceresoli Subject: [PATCH 6.1 132/198] interconnect: fix mem leak when freeing nodes Date: Mon, 20 Mar 2023 15:54:30 +0100 Message-Id: <20230320145513.082513285@linuxfoundation.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230320145507.420176832@linuxfoundation.org> References: <20230320145507.420176832@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Johan Hovold commit a5904f415e1af72fa8fe6665aa4f554dc2099a95 upstream. The node link array is allocated when adding links to a node but is not deallocated when nodes are destroyed. Fixes: 11f1ceca7031 ("interconnect: Add generic on-chip interconnect API") Cc: stable@vger.kernel.org # 5.1 Reviewed-by: Konrad Dybcio Signed-off-by: Johan Hovold Tested-by: Luca Ceresoli # i.MX8MP MSC SM2-MB-EP1 Board Link: https://lore.kernel.org/r/20230306075651.2449-2-johan+linaro@kernel.org Signed-off-by: Georgi Djakov Signed-off-by: Greg Kroah-Hartman --- drivers/interconnect/core.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -850,6 +850,10 @@ void icc_node_destroy(int id) mutex_unlock(&icc_lock); + if (!node) + return; + + kfree(node->links); kfree(node); } EXPORT_SYMBOL_GPL(icc_node_destroy);