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 2A6827E9; Tue, 23 Jan 2024 01:09:06 +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=1705972146; cv=none; b=jxUW2KWRh/LRKsNvs7AfLI0eNNa53tCaayeA5ly8pqPDeCtNJiAfk8rb3dfHPeaX1f8pYWQ9vvVd4f17FN94FFDR6jgiOQqWl/0WIVoJZ7wL9JBQV+DmKD6Kup0yJFNRVMlQhvunSCV3uFc4dE+X+A1+C4/nIuC9Kf7dxobvy9Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705972146; c=relaxed/simple; bh=YfEPMrL6/6f+PIakmXTzqL7sRyem2aTqhf/D+GPpl1Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LbxJJk0nON+Ju2VrEVNxxt1Sqoc6iXUs+TQXHaXP316ML/cbQ9ne8n+vBDVMFM1lurCbM7c7hBYXrJ80VL5VXv6kYk8pcf8CrxIrLRG/3KDm32bS2T+qzXj34ct54znQidX8dhHWgxn+FlGIkyjM49hW/vr1SEWFgVSCGLVRDNo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=LIhKyUuU; 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="LIhKyUuU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF7A2C433C7; Tue, 23 Jan 2024 01:09:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705972146; bh=YfEPMrL6/6f+PIakmXTzqL7sRyem2aTqhf/D+GPpl1Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LIhKyUuUbVGqGMnzdGecKtdkM34FDXPxZ7d3nIuzxk2PqMJQ5G7gzZEY+O8Nz2Ubi myRmi2gC5tSEESMawZ+Wv4smX/qZ5Nt/pHvQP3pRcllrXWS0kfANdWdkSC7irHDf9G 7zcs8OTgctw/C9/nXXdwhLoyRO34tZ9jnQ0adQhk= 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 5.15 075/374] powerpc/powernv: Add a null pointer check in opal_event_init() Date: Mon, 22 Jan 2024 15:55:31 -0800 Message-ID: <20240122235747.228746641@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235744.598274724@linuxfoundation.org> References: <20240122235744.598274724@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 5.15-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