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 ABC07442B2E; Thu, 20 Aug 2026 16:26:40 +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=1787243201; cv=none; b=flQZdQND/jMnGYQ06RI/6v9b/7LWxH0C12SNLfaLscJCgw4i25kXFpbAmQhS5dhojfyIE3tfANhGQif3g/ap1VnlmR3NBV1eATR1GQDrYHLtfFbfWSG1irANjyuieK1+l/ROJKtHrtjQW3TskThoWNjGbcnzbAmh23PSwCjIPPY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787243201; c=relaxed/simple; bh=tHLxnXK7n+eOSpQ0z+PkLWuisG0P9/ldnj2HL/6Mrg0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=axotcH4bqfz8s9F/fLH7nLxM3gZV6Cgo9CQy8maeMX3rc359M21Na5SUR/uEwqIv3xDw7pZqWNLfIbAzht6GJanidavNpweH3MW3gAlPKIoI+pfEMEZfmeu6KBwJjvIXb9vJsYEs7qeg5gYvmGB8+ltfDzRZgcAbTQU5sH4Zeas= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=TmcUUgao; 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="TmcUUgao" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D3A2B1F000E9; Thu, 20 Aug 2026 16:26:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787243200; bh=PPbIo7uKkVVwAhg03fzi4bYYm1svPo0V0h7SNDyspXc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=TmcUUgaom85mYVaHp0tKemdq3pTcFifDBzWbjCMtERJ4++9ZQLLP72GrsR+EkrENP bSvFv9beLKSP55cvvf/f/YDG+oNUsgDny9HLGL5iTNEKUswv/dzdBzbhYEqvUT3t7T CJLdNQ81fuFTIRKdA0jnEN3Q2PJMz7kuNn1sgARA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nayna Jain , R Nageswara Sastry , George Wilson , Madhavan Srinivasan Subject: [PATCH 5.15 013/272] powerpc/pseries: pci - logic bug Date: Thu, 20 Aug 2026 16:53:17 +0200 Message-ID: <20260820145231.635444929@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260820145231.229664293@linuxfoundation.org> References: <20260820145231.229664293@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: George Wilson commit 649c10bff5cb7a514bf299094833ec8c9190aac3 upstream. The checks on num_vfs in pseries_pci_sriov_enable() are ANDed where OR was apparently intended. Change it to OR. Fixes: 9a7f6b438664 ("powerpc/pseries/pci: Associate PEs to VFs in configure SR-IOV") Acked-by: Nayna Jain Tested-by: R Nageswara Sastry Cc: stable@vger.kernel.org # 4.16 Signed-off-by: George Wilson Signed-off-by: Madhavan Srinivasan Signed-off-by: Greg Kroah-Hartman --- arch/powerpc/platforms/pseries/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/powerpc/platforms/pseries/pci.c +++ b/arch/powerpc/platforms/pseries/pci.c @@ -160,7 +160,7 @@ static int pseries_pci_sriov_enable(stru /* First integer stores max config */ max_config_vfs = of_read_number(&max_vfs[0], 1); - if (max_config_vfs < num_vfs && num_vfs > MAX_VFS_FOR_MAP_PE) { + if (max_config_vfs < num_vfs || num_vfs > MAX_VFS_FOR_MAP_PE) { dev_err(&pdev->dev, "Num VFs %x > %x Configurable VFs\n", num_vfs, (num_vfs > MAX_VFS_FOR_MAP_PE) ?