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 C541E15AE7 for ; Wed, 20 Sep 2023 12:15:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4AB43C433C8; Wed, 20 Sep 2023 12:15:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1695212152; bh=n9BLN8R29on/u4HAjawzxW1YN587MtMx0+uBclmoJrI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=l4GMMuaMzwbbxP2bgdTJ4gR0hRkKAM0s8ja6fnbHRfgyFDo8KxB3Ea//D+AzOHfRy /8ifCP5y2UgSYKwmp7jfxumkkFlKYHhoMHJ/FL8S95SeYnhFCoxANCMJRGyc9N9hPW hzJLLweGl571zHJ4VGPAcXSw7Oe10MmHjJNqIJrs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Boris Brezillon , Dhruva Gole , Chanwoo Choi Subject: [PATCH 4.19 171/273] PM / devfreq: Fix leak in devfreq_dev_release() Date: Wed, 20 Sep 2023 13:30:11 +0200 Message-ID: <20230920112851.802449130@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230920112846.440597133@linuxfoundation.org> References: <20230920112846.440597133@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Boris Brezillon commit 5693d077595de721f9ddbf9d37f40e5409707dfe upstream. srcu_init_notifier_head() allocates resources that need to be released with a srcu_cleanup_notifier_head() call. Reported by kmemleak. Fixes: 0fe3a66410a3 ("PM / devfreq: Add new DEVFREQ_TRANSITION_NOTIFIER notifier") Cc: Signed-off-by: Boris Brezillon Reviewed-by: Dhruva Gole Signed-off-by: Chanwoo Choi Signed-off-by: Greg Kroah-Hartman --- drivers/devfreq/devfreq.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -582,6 +582,7 @@ static void devfreq_dev_release(struct d devfreq->profile->exit(devfreq->dev.parent); mutex_destroy(&devfreq->lock); + srcu_cleanup_notifier_head(&devfreq->transition_notifier_list); kfree(devfreq); }