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 7EAC940DFB6 for ; Wed, 8 Apr 2026 12:55:52 +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=1775652952; cv=none; b=alDVR1j08FqzRt9gGhhNkfGJ2p96+qKjQILoOkBm6aJ9STzIY8NToVoWhnVE8x9QBiOe2vHGxV4qG/bLLbIRr92UdOb3nvcvBoNoxWNhLh5kFI+GtDy43bAXBLlWyw6KDBnsjWXcy/bUlAhEGMBWUk8+uZHadIy+iDoanfQpKaI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775652952; c=relaxed/simple; bh=1xfFKSAGAfqauHcCnaoyYy9g+jD/sZHy8E6gmswRtg4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=j/eEw37I9lxH6erH0Aa2JAncxV8JxIdFwNcnnXGZS6pvmOMjx+W7OGS+jn5l8czw90pvAn1pSEWQI9EwnZ9B9ehH63TeFPPrGHV2Vs+k4KK592bnd3AUyJGHn2XvJU4kJAjOJ1cZXEmCoY//z8gWEvte60b9lzkY81tXx9b7xts= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YVtQp+5a; 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="YVtQp+5a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 91CF8C19421; Wed, 8 Apr 2026 12:55:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775652952; bh=1xfFKSAGAfqauHcCnaoyYy9g+jD/sZHy8E6gmswRtg4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YVtQp+5aNZVj7bzqG22Wofznq+PgAYIeBIe/8OyAlIRdRa6OGWfhjJ+4Tvd51j/q7 4aXE1lvwlkItYrGkwDgtuQFAy5t/jDydpc8PAueo06vHawi6LL/awjfwrDciS6Ch7F sG5FqXTogkYxIL60jsoOTyKiUSx5/w/Ss4WdHorJc6kt3sokJcqskGKMsYdXz11sah RY0Oz5Dn08iZru7n3Nv4fLYsNv78ThNkaymhXFL7sBMJ6JzrWTY69NcC+xjJXev1ZT T9/EQ4qQWK3VpCiG+zo9cdoQfY8nUmfNr4oUgEvFGunuAWhCVu490GfrSrMU8Pzhw0 pEPdfPeRjMT6g== From: Sasha Levin To: stable@vger.kernel.org Cc: Liao Chang , Viresh Kumar , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 5.15.y 1/2] cpufreq: governor: Free dbs_data directly when gov->init() fails Date: Wed, 8 Apr 2026 08:55:49 -0400 Message-ID: <20260408125550.1049042-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <2026040816-flattop-footing-328d@gregkh> References: <2026040816-flattop-footing-328d@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Liao Chang [ Upstream commit 916f13884042f615cfbfc0b42cc68dadee826f2a ] Due to the kobject embedded in the dbs_data doest not has a release() method yet, it needs to use kfree() to free dbs_data directly when governor fails to allocate the tunner field of dbs_data. Signed-off-by: Liao Chang Acked-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki Stable-dep-of: 6dcf9d0064ce ("cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path") Signed-off-by: Sasha Levin --- drivers/cpufreq/cpufreq_governor.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 5981e3ef9ce0e..3de5a2ca903ea 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -440,7 +440,7 @@ int cpufreq_dbs_governor_init(struct cpufreq_policy *policy) ret = gov->init(dbs_data); if (ret) - goto free_policy_dbs_info; + goto free_dbs_data; /* * The sampling interval should not be less than the transition latency @@ -475,6 +475,8 @@ int cpufreq_dbs_governor_init(struct cpufreq_policy *policy) if (!have_governor_per_policy()) gov->gdbs_data = NULL; gov->exit(dbs_data); + +free_dbs_data: kfree(dbs_data); free_policy_dbs_info: -- 2.53.0