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 DB69E26CE2B; Tue, 12 Aug 2025 18:48:53 +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=1755024534; cv=none; b=NrZaY55EAPxI7zbuAkMPL8MMpcz91cgyOHdyGIL5whQNfcNnceDHWwmyk8H85OnqtT4+gao0RYn5zrXer1VKISPM7u0nHOqImvYZ80y6WPTFRtgKmYDrW1qnRbuSOvUFKGW1+6gSnQ+V+TZFKK7eCS4bMADwh7KCgLoePM1I2yc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755024534; c=relaxed/simple; bh=ApWBQFj8lBMaNLgDQDEwU/5t93t2jwSRJdDY4Dyaz/A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uJNrsaZway0wPmuRXLMjH0PPbql/NitAa8vfY8AItIEW4XeGr/T8oV/PnQBHtfQZYmRA5PpTpEDuokvafyqS2rJItBHKtpT0bTCUvQiS3YHgGRSkru8QDedf66cbWYInVCmg0/tfoltTgZYJ3gy/wlM3vzp8sraPlEJZK2dUnoQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=f1aNvq/V; 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="f1aNvq/V" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F16E9C4CEF0; Tue, 12 Aug 2025 18:48:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755024533; bh=ApWBQFj8lBMaNLgDQDEwU/5t93t2jwSRJdDY4Dyaz/A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f1aNvq/VyrXT5GYdZ9ooO8boEQa2WeBtWt1YR33Rk5A0D77q8bDVrrSOt1jLZZDjx u+nL9t1dqPO3Axv8SpqUrEBsMjCIHoLDDGK1tWKPCGZKjvxSB9nSaKjs8VvMOjKJ82 pcNabaRpca2QPc3HmxPPMSFY/HPkgKYwrTiipOBA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ovidiu Panait , Herbert Xu , Sasha Levin Subject: [PATCH 6.16 401/627] hwrng: mtk - handle devm_pm_runtime_enable errors Date: Tue, 12 Aug 2025 19:31:36 +0200 Message-ID: <20250812173434.547344052@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812173419.303046420@linuxfoundation.org> References: <20250812173419.303046420@linuxfoundation.org> User-Agent: quilt/0.68 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 6.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ovidiu Panait [ Upstream commit 522a242a18adc5c63a24836715dbeec4dc3faee1 ] Although unlikely, devm_pm_runtime_enable() call might fail, so handle the return value. Fixes: 78cb66caa6ab ("hwrng: mtk - Use devm_pm_runtime_enable") Signed-off-by: Ovidiu Panait Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/char/hw_random/mtk-rng.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index b7fa1bc1122b..d09a4d813766 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -143,7 +143,9 @@ static int mtk_rng_probe(struct platform_device *pdev) dev_set_drvdata(&pdev->dev, priv); pm_runtime_set_autosuspend_delay(&pdev->dev, RNG_AUTOSUSPEND_TIMEOUT); pm_runtime_use_autosuspend(&pdev->dev); - devm_pm_runtime_enable(&pdev->dev); + ret = devm_pm_runtime_enable(&pdev->dev); + if (ret) + return ret; dev_info(&pdev->dev, "registered RNG driver\n"); -- 2.39.5