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 38BBD50A75; Tue, 23 Jan 2024 00:40:01 +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=1705970402; cv=none; b=XCcL3JWUA2hOMJk+X5OBVHUUBsxQKh7ofl4w9l6Y7glgw0eTfyrUWgxvpZPwn9mCTrqCTjqJLTEYj8czz4ahHgCjOLUOBtn/ZbaZFzOA8RDJHl8eTdv1t9E+tqo7noWHYnFzkaLNKMo/j+UaiCi69MCiJfGNPn5sThA98zhW6Lc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705970402; c=relaxed/simple; bh=XMdXYFU4x7IvbBlURtCMOg+VC68nd8r0zrQ2CQnjoPY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IEFUPUpRVLV3B/Tstdb6tc1X0Uu9KFZhvXArixnpcJbrqUdypIE4MmM60fZfxFy9NJ+PJpW6t+oDXGEwij5KodMSyBozpNa1xOQBFZKr1kKRnWTbShVBkl05py7oI5ehKdmkguRi5Wim4QSX3D/gwPZK2e/hGYwT7TWxhRyHLUY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cXBO/YcK; 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="cXBO/YcK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE049C433C7; Tue, 23 Jan 2024 00:40:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705970401; bh=XMdXYFU4x7IvbBlURtCMOg+VC68nd8r0zrQ2CQnjoPY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cXBO/YcKmzIC+StuxfS6tgljoB2kp6W42nxckK8YhNPRTip+vNazTxCKBdFyODnyn 0PfrbpiPkSkUw/XYMX3pzW1NSdfNJzZzmwGP1DZb058WY6SisMCCjsqZynWl2u3rUx EqVLyd93L9bdGqlGYWK09CF6wAnWVdDTgv+aV8fY= 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 6.1 010/417] powerpc/powernv: Add a null pointer check in opal_event_init() Date: Mon, 22 Jan 2024 15:52:58 -0800 Message-ID: <20240122235751.854101533@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235751.480367507@linuxfoundation.org> References: <20240122235751.480367507@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-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 d55652b5f6fa..391f50535200 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -275,6 +275,8 @@ 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