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 F16772FDC5C; Tue, 26 Aug 2025 13:44:04 +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=1756215845; cv=none; b=EVFCJJiY5FpexMkbOwtqPndShVmn/tYaSXNPap2RpgeQ4mdAzaftI7LYJKgIamv8C2e436TATFNr0tkzs0qCpa4frmHzeMfWegNNMw1zLVGtewRhjU+uPvjWzghfM8CCCySG8TIEA/6iWpVX6pUMATPEy9f1OYzkhLMMhY35xPU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756215845; c=relaxed/simple; bh=N75kTO/57jUPD7suIaVEv7E2XAIEjwfwlAduqjavVvw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=CvDabpXofLDCQEbqcgC7JuBWDDJUTYjdVj3eKcMWTAtJA2erLbBxLOzr2DjUtDbV1TyV/sXFRnWR5YYimqVfYmnwK5req+mTN+avHlCfrtxX5dTlc0Aytizo0XKl8ZClFBJdCEBjhGEb8DSjcUm2m/rAhTmjqS3izfdWnGCw7bg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=USiMs1jh; 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="USiMs1jh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 454D4C4CEF1; Tue, 26 Aug 2025 13:44:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756215844; bh=N75kTO/57jUPD7suIaVEv7E2XAIEjwfwlAduqjavVvw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=USiMs1jhQM1usJ8+Czq+54GMPiRsbIOG7Oq71gTLjrHWql7yZvg0R/bMLWOWoPW82 ntyKdHhIfLD3DkgtXxwUwVyyZhUwDroH4U0JepkJz0SwwVehPYEwrThwkeriArnW1O /mgkchYKJH4f72TRsgeJYvlcREIuxYPoRK1kmv4c= 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 5.15 187/644] hwrng: mtk - handle devm_pm_runtime_enable errors Date: Tue, 26 Aug 2025 13:04:38 +0200 Message-ID: <20250826110951.095161067@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110946.507083938@linuxfoundation.org> References: <20250826110946.507083938@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 5.15-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 3e00506543b6..72269d0f2a4e 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -142,7 +142,9 @@ 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