From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4F3AEC43441 for ; Thu, 29 Nov 2018 05:59:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 149AA21019 for ; Thu, 29 Nov 2018 05:59:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="R2nikKPI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 149AA21019 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728989AbeK2RDz (ORCPT ); Thu, 29 Nov 2018 12:03:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:38278 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728107AbeK2RDz (ORCPT ); Thu, 29 Nov 2018 12:03:55 -0500 Received: from sasha-vm.mshome.net (unknown [37.142.5.207]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 037EC21019; Thu, 29 Nov 2018 05:59:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1543471184; bh=TNYCcXOUKa2S7N2ZD9BSLRILUTL9/i9sgAMFi2Q5YWk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=R2nikKPImyJ/YMClHrx1s6eD9KPTKKEide82s1RBqYJrNHngNRMOhBu6jqQWshN6h ydxfVKNfT+3bf7qIT8cqnm1i4kAFvveWeDxgUUJZVTpL0RL5YfM+WVtznLyqymDkXB JcGWi3oN0UUy5I9WdbSN5QGLgr26tFGipYW38Pzg= From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Denis Bolotin , Michal Kalderon , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 47/68] qed: Fix bitmap_weight() check Date: Thu, 29 Nov 2018 00:55:38 -0500 Message-Id: <20181129055559.159228-47-sashal@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181129055559.159228-1-sashal@kernel.org> References: <20181129055559.159228-1-sashal@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Denis Bolotin [ Upstream commit 276d43f0ae963312c0cd0e2b9a85fd11ac65dfcc ] Fix the condition which verifies that only one flag is set. The API bitmap_weight() should receive size in bits instead of bytes. Fixes: b5a9ee7cf3be ("qed: Revise QM cofiguration") Signed-off-by: Denis Bolotin Signed-off-by: Michal Kalderon Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/qlogic/qed/qed_dev.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index 9d2d18c32162..d2ead4eb1b9a 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -478,8 +478,11 @@ static u16 *qed_init_qm_get_idx_from_flags(struct qed_hwfn *p_hwfn, struct qed_qm_info *qm_info = &p_hwfn->qm_info; /* Can't have multiple flags set here */ - if (bitmap_weight((unsigned long *)&pq_flags, sizeof(pq_flags)) > 1) + if (bitmap_weight((unsigned long *)&pq_flags, + sizeof(pq_flags) * BITS_PER_BYTE) > 1) { + DP_ERR(p_hwfn, "requested multiple pq flags 0x%x\n", pq_flags); goto err; + } switch (pq_flags) { case PQ_FLAGS_RLS: -- 2.17.1