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 38A0B352FFC; Tue, 26 Aug 2025 14:11:01 +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=1756217461; cv=none; b=fdUj9Emo/ze9/5u4ntmXN8eJ1M8PJI/Uu1Ub3klf9FdX5adgfRG9nuTMFRALeBHHGM2kqwWFPqb6hCMGBxvAcuBOsThmYG71U1yu+H38jNVO67xw0Gr1Kj2vK5yE6UJS8z/DUKthA4OHmGqmreCM9o0accAeetnHUq88cc2xG+0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756217461; c=relaxed/simple; bh=8sX86CUW9zX9W9eR69TYvSwHaxil+miCfX0at+pGo5w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Um/TAbBa0B36eoCGOvAb82HjVs8N59v3cr0UrTygOcaaGp9KOXm8L5Ts59Ksp/kbp+VCTl/lSLXGYs+FGtE/ft2zO0gynKCQnTeq0P5TiE8EuMwj7a10GzbV9zFTGNTA2dXjJGAuTigYtLEEDoKBlP9QuFleJok3q2/oRm2zAqw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=CJ3z9qh8; 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="CJ3z9qh8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BFE7DC113CF; Tue, 26 Aug 2025 14:11:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756217461; bh=8sX86CUW9zX9W9eR69TYvSwHaxil+miCfX0at+pGo5w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CJ3z9qh8YHmOSGPtQwUPMPwZBpz6DQ/ya8LEcMjb8NfnimV2VS3xU1MJt7VA2l2fD KTp8bMdpZcsKoOStxVS3Icz+cpmjR/nxV4644IAl0r7E0A4jKXYvtDGzR4r8dd9/Op zxeFWqwviPgu/M/d5GQzvvyelrVVb7zVY1xEnbmI= 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 5.10 134/523] hwrng: mtk - handle devm_pm_runtime_enable errors Date: Tue, 26 Aug 2025 13:05:44 +0200 Message-ID: <20250826110927.808560580@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110924.562212281@linuxfoundation.org> References: <20250826110924.562212281@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 5.10-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