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 1AE7160DE3; Tue, 23 Jan 2024 00:49:23 +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=1705970963; cv=none; b=WKCbiW9Kak91B1OnTSsMrmzV5k+BUOIYIUhqzAtFq9ujk8FSgYc5s/bt/3pm/F5ynv9iaUZBcEHl4qweBKWW+mHePVPJ9hI5ZmR910x2UmApqrIcS42v0mRshtRH7WARfNGhGEmNvS0Znd5ZkYkIqzB0SYVfN/uDvdJUu8Ts/NY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705970963; c=relaxed/simple; bh=8FCUnnW8h9KwW/Apzr2Etsioq1elSSqGsdDV5QWQeEQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QON8pu4Co3lcsvoKD6Xuk0qdyqfqFP8kpuchZdfCNm/kafUFewpJ631G6mL0+e6INJRuSa0AJehqoPASueM8gqp3tQ5OuSBqxo9W44tUlbC7H0UgT8ytSyPMv8wYZUaWmj6tJFtpSNJBzu/w8bhCThvsjleAUB/X/lqvC/JptoY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=OHfeZd4T; 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="OHfeZd4T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B9A2C43390; Tue, 23 Jan 2024 00:49:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705970962; bh=8FCUnnW8h9KwW/Apzr2Etsioq1elSSqGsdDV5QWQeEQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OHfeZd4T9Kl2Rnt624+7FqhGUAbzyTrCwvpbDLsAbhFJGLrtIj6HIYJ8j/53QSfER 2JL0ca1u7TY9TRTW+a7duXwbGxF4+HdnFnwEmt4w0rXkhjg5GymMUs+tsWgAwR0oJ5 j8WIkFDHS+vFPIO7l/XaUMvzb4sRii2STKlQSkzA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kunwu Chan , Michael Ellerman , Sasha Levin Subject: [PATCH 5.10 058/286] powerpc/powernv: Add a null pointer check in opal_event_init() Date: Mon, 22 Jan 2024 15:56:04 -0800 Message-ID: <20240122235734.259387305@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235732.009174833@linuxfoundation.org> References: <20240122235732.009174833@linuxfoundation.org> User-Agent: quilt/0.67 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: Kunwu Chan [ Upstream commit 8649829a1dd25199bbf557b2621cedb4bf9b3050 ] kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Fixes: 2717a33d6074 ("powerpc/opal-irqchip: Use interrupt names if present") Signed-off-by: Kunwu Chan Signed-off-by: Michael Ellerman Link: https://msgid.link/20231127030755.1546750-1-chentao@kylinos.cn Signed-off-by: Sasha Levin --- arch/powerpc/platforms/powernv/opal-irqchip.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index c164419e254d..dcec0f760c8f 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -278,6 +278,8 @@ int __init opal_event_init(void) else name = kasprintf(GFP_KERNEL, "opal"); + if (!name) + continue; /* Install interrupt handler */ rc = request_irq(r->start, opal_interrupt, r->flags & IRQD_TRIGGER_MASK, name, NULL); -- 2.43.0