From patchwork Thu Nov 28 19:43:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Levitsky X-Patchwork-Id: 13888309 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 66CE0AD4B for ; Thu, 28 Nov 2024 19:43:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732822995; cv=none; b=oqAR2WlgBK8shnrJwI/v5mZgHHZ9IfnmD3Zs3YkdZ8BzoEt71gB4GH2OVgaS7CHrLEKg6jLfTj1IhwI/zlMVipE/JZQFKmUbcW5vuiM3o4SiPMQDccDduoHRunfy4kxrdLGA8iQ6/a03+JT4rUDbjXRxNtQVb2t0B4pnLYj0uxg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732822995; c=relaxed/simple; bh=VaTHl5CWYXaEUg5GJy076IuF06Ppro6TIwGO5pxBuO0=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=eHoE+7voaXXVDT6wulaSZsrv7EWEmmF4EteI219tFeQ/S2C4NTICtAlr/INOmcV2B9oEAxQcdZtSwfrpA6DTwDhGLPE6u6dzKJPzke3cUlVzhh4orsC2wumFo302P2+YaJzBirmva8uYMst6BgEenh5L/X+2TNmZpQgqSQxV/e8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=ixxv/WY3; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ixxv/WY3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1732822992; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=PGHdr5xe6OO2VfVdzoKzmBYzOtEMeKKpC50tlN0vOu0=; b=ixxv/WY3uPas+H+R2Y1+fecCPVltlJTVbYC2ZVcabq05QQPWZscUJS966ucQydCHgdtCVV gC2CrazTgKboE4uTKE+fWOpfZuRt7kKfVfQQahl0KHToFdyYhR6Hzo+kfo9w//riwbq+Bg g+Q3jmqoqPMw15hcS/em7y5Xqr/3FLs= Received: from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-312-pQL-K4C2OSu2dQbquJMVrw-1; Thu, 28 Nov 2024 14:43:10 -0500 X-MC-Unique: pQL-K4C2OSu2dQbquJMVrw-1 X-Mimecast-MFC-AGG-ID: pQL-K4C2OSu2dQbquJMVrw Received: from mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.40]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id DF1651954197; Thu, 28 Nov 2024 19:43:04 +0000 (UTC) Received: from starship.lan (unknown [10.22.88.88]) by mx-prod-int-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 7ECDB195605A; Thu, 28 Nov 2024 19:43:01 +0000 (UTC) From: Maxim Levitsky To: kvm@vger.kernel.org Cc: Shradha Gupta , Wei Liu , Haiyang Zhang , Konstantin Taranov , Yury Norov , "K. Y. Srinivasan" , Eric Dumazet , linux-hyperv@vger.kernel.org, Long Li , Jakub Kicinski , Maxim Levitsky , "David S. Miller" , Leon Romanovsky , netdev@vger.kernel.org, Paolo Abeni , Andrew Lunn , Souradeep Chakrabarti , Dexuan Cui , linux-kernel@vger.kernel.org Subject: [PATCH] net: mana: Fix memory leak in mana_gd_setup_irqs Date: Thu, 28 Nov 2024 14:43:00 -0500 Message-Id: <20241128194300.87605-1-mlevitsk@redhat.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Commit 8afefc361209 ("net: mana: Assigning IRQ affinity on HT cores") added memory allocation in mana_gd_setup_irqs of 'irqs' but the code doesn't free this temporary array in the success path. This was caught by kmemleak. Fixes: 8afefc361209 ("net: mana: Assigning IRQ affinity on HT cores") Signed-off-by: Maxim Levitsky --- drivers/net/ethernet/microsoft/mana/gdma_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c b/drivers/net/ethernet/microsoft/mana/gdma_main.c index e97af7ac2bb2..aba188f9f10f 100644 --- a/drivers/net/ethernet/microsoft/mana/gdma_main.c +++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c @@ -1375,6 +1375,7 @@ static int mana_gd_setup_irqs(struct pci_dev *pdev) gc->max_num_msix = nvec; gc->num_msix_usable = nvec; cpus_read_unlock(); + kfree(irqs); return 0; free_irq: