From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794062000; b=oG3Wi7yfp2T5BiZYgLSPtf5lFKF+BrrXpowIL82Z8peag9ToBzAtIZ492fOE966AS65p Gb99ZXjtIMFDe0N/e2qu1AW05jvqTcqqwdIXYd2/GgaSviehka3DS3Aoky9253xjIFycO 0f6Ulc0Jdy3gjm4gva+fAzlge3bTqhnpWPV+YEzyrcHawdrZYEjyDaNraEpBfRL4wbt6Q eBsOfEReDhVwIjF1Kulx7k51i1HgG/qboWwjjA1FxU4oEpcnA+v8Q4MttgvBOT2dTQJEW kkbhthRzuAW8svjXjP20tAavCP58J/HIymcj9eNSAtF5AdZZimxd7n3H7cawJqqTKKA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794062000; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=wl6nQypwpg7JnuLValALvwXNWgEV1xFoirFhiOcypJY=; b=YGl3fEVYFn9CALQ1RziTmjDgPgjEar8SncBBtlgvWriDSk2GPqmf9pQZ58MDIvtQ6cey L6A6fyLEHueUQDIXvmgTg5E7sbGasVzpc+FG5CL37lZkc/h7cztQJZgZF9GbxUzMIVW1f +T+8vZQHfT1559rrY1M+ylPbog+tQCtTaPxsxTSbPrDUGJQA/NrpDPDMEoD+LdvM/sWEB JFhBhcI/QdPGI9pCtTAih0IBz9ylEVexF9XVhmpnsODtPxp0hBwm0FCQf0ArA3ox56CLs FBF5MhQOFVfgBLy5CUfNWpn6Z2Tdygce15D4Hc1p0NXfIyZGodHGWj57l9iiFY+1J4g== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=sMz0w1tg; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C5141606A332; Sat, 7 Nov 2026 14:33:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=sMz0w1tg Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7246B1F0089F; Sat, 7 Nov 2026 14:33:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1794061999; bh=wl6nQypwpg7JnuLValALvwXNWgEV1xFoirFhiOcypJY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=sMz0w1tghTil1LACp4y4I5PsH+r2tOmGMsSNJO6wCuEnCww/Q+LfUC6zd5F/s8fyk kgtq6JYJTL8o2PS2jVV1HPTWtEOiQi24hyMPi0RRYhwCiC1L1lHiLvql5ekGkAEnd3 oa1TIO1+k6pQnGt2go6ZYKfAwkuMbVGcjT0OH4lI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Balakrishnan Sambath , Eugen Hristev , Hans Verkuil , Sasha Levin Subject: [PATCH 6.12 0952/1536] media: microchip-isc: fix PM runtime leak in AWB work handler Date: Sat, 7 Nov 2026 08:49:28 -0500 Message-ID: <20261107135024.394430583@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261107134957.653319350@linuxfoundation.org> References: <20261107134957.653319350@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Balakrishnan Sambath [ Upstream commit 21ad8225822a892c4c273bf1368d477a83a19dbb ] Early return when streaming stops skips pm_runtime_put_sync(), leaking the reference and preventing runtime suspend. Fixes: 314c96e5203d ("media: atmel: atmel-isc-base: use mutex to lock awb workq from streaming") Cc: stable@vger.kernel.org Signed-off-by: Balakrishnan Sambath Reviewed-by: Eugen Hristev Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/platform/microchip/microchip-isc-base.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/microchip/microchip-isc-base.c b/drivers/media/platform/microchip/microchip-isc-base.c index bd58d65a7c273..97cd1f74ff2b9 100644 --- a/drivers/media/platform/microchip/microchip-isc-base.c +++ b/drivers/media/platform/microchip/microchip-isc-base.c @@ -1434,7 +1434,7 @@ static void isc_awb_work(struct work_struct *w) /* streaming is not active anymore */ if (isc->stop) { mutex_unlock(&isc->awb_mutex); - return; + goto out_pm_put; } isc_update_profile(isc); @@ -1445,6 +1445,7 @@ static void isc_awb_work(struct work_struct *w) if (ctrls->awb) regmap_write(regmap, ISC_CTRLEN, ISC_CTRL_HISREQ); +out_pm_put: pm_runtime_put_sync(isc->dev); } -- 2.53.0