From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 534C947FB10; Tue, 25 Aug 2026 13:31:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787664671; cv=none; b=Qvs2yVnEnks7xVtXl7o03Tl9sJ57px+zLJl9RYImRf46+qmgjXx+yuyQonxTGeBuv+xpgnjTzYGMFdqBu5CxJ8ompOcwBCKNMY37r1+083ATq8d80s9GGZGiVvs5FGeShO+N+NXh0ch8XmI8ZhvgK9Le8hfTFeqgG2hgvVms2l0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787664671; c=relaxed/simple; bh=eIqI7tS03MP6xJdV0rzD1KQhEE+Y1mXJ1HCZMseoxms=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=r16rwq4+umLprL6jpQW8AOS3UBpd9TX/5OmPllexofkKRyHpxNx9Y9J4Djr+q6KhXc1HIocdOTSC6K+2FaM93M1KaT43hR7t3UPRGmZWBfuJdlLz+sazAeiSFyRKfN0fbYiJO74T3WHo+uma/8Ilj0EEP69m8WMZbeEMyIfi62k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=aeyNuQqz; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="aeyNuQqz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85E101F000E9; Tue, 25 Aug 2026 13:31:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787664670; bh=uYxebZwjMU3a2e4rbg12jYuzGcAXQ7/7a7fXqMkTlqo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=aeyNuQqzEutwa4OzgkaaTl5NgFoMrWt2gWHARqfXc+Pk09nkkt1lSK8zq5F6m7qvY vgfFEK4Eaea15vXtCMjPVUwfZgCsVtYVXBwjQTVoOVnR9vbuYA0ZpHWAkNBF4416bA 1AQMd0+lE9ArGNONFCIPecyzVD8xc4WJ7iFnZM3Y= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jassi Brar , Griffin Kroah-Hartman Subject: [PATCH 7.2 48/82] mailbox: mchp-ipc-sbi: Add null check for devm_kasprintf() Date: Tue, 25 Aug 2026 15:25:35 +0200 Message-ID: <20260825132543.399084233@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260825132541.560541185@linuxfoundation.org> References: <20260825132541.560541185@linuxfoundation.org> User-Agent: quilt/0.69 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 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Griffin Kroah-Hartman commit b37c4d0a2fd90c0c31223acd37f763eb8953ed1a upstream. Add a check to see if devm_kasprintf() is not NULL in mchp_ipc_get_cluster_aggr_irq(), returning -ENOMEM if the function failed. Assisted-by: gkh_clanker_t1000 CC: Jassi Brar Signed-off-by: Griffin Kroah-Hartman Signed-off-by: Jassi Brar Signed-off-by: Greg Kroah-Hartman --- drivers/mailbox/mailbox-mchp-ipc-sbi.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/mailbox/mailbox-mchp-ipc-sbi.c +++ b/drivers/mailbox/mailbox-mchp-ipc-sbi.c @@ -378,6 +378,8 @@ static int mchp_ipc_get_cluster_aggr_irq for_each_online_cpu(cpuid) { hartid = cpuid_to_hartid_map(cpuid); irq_name = devm_kasprintf(ipc->dev, GFP_KERNEL, "hart-%lu", hartid); + if (!irq_name) + return -ENOMEM; ret = platform_get_irq_byname_optional(pdev, irq_name); if (ret <= 0) continue;