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 2CF04356905; Tue, 26 Aug 2025 14:33:50 +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=1756218830; cv=none; b=UbHxy5NYqviGz3si967nZPEJneeWICgcKNQaFqzOOf5fvszbDvFXNQ9V2TctGJRRHdpaw6r4S5CfolJFoh9CVYnPXT/XtfnMxt4BLwwSaIcMU1YZzPMH1P7f/siESZ2WZ2+ATX8rNMrMBkktyF8N+6RnIYivOrLmbzuirxP6GO8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756218830; c=relaxed/simple; bh=BG+8WucidtYCtkc3Cuh8Bg3dm3sDhgumpJ4BO1ITy8A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QyzUFK4H8l2kTAMnjjqjA1knbBqsvOIgRJjd5wcdlG9TSSXitZtjw6zTtgORt459X+YYBWplgYkE2r6QuqXUeGn40xZSRS7zKHLynf7aP2Kj/hEp5pzx3Uc7uBCzkGvWxwGRTpf03zH8d/F8hHNGXWXL/VaGIKW5hjlDUh4JU8A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=n3CniW4p; 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="n3CniW4p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1B5BC4CEF1; Tue, 26 Aug 2025 14:33:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756218830; bh=BG+8WucidtYCtkc3Cuh8Bg3dm3sDhgumpJ4BO1ITy8A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=n3CniW4pNq5Wb44DuAUcJyt4Ywpplg+0i8yFMy25/ayh8UqtBNzupPH7/Bbv46jwM lK/ojBhvMwiqginARd9JSeko5okOazPZBFm7jKGD1ZzagV43/zG4jSwoIdWN+Wdpaz HLlat67DUH5Mfoyo5eFsThECpiWkitLT1VMVVC6Y= 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 5.4 118/403] hwrng: mtk - handle devm_pm_runtime_enable errors Date: Tue, 26 Aug 2025 13:07:24 +0200 Message-ID: <20250826110909.994509299@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110905.607690791@linuxfoundation.org> References: <20250826110905.607690791@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 5.4-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 6c21eb749b51..f5325fe4f1de 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -149,7 +149,9 @@ 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