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 DE3D313442C; Sun, 24 Mar 2024 23:04:25 +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=1711321466; cv=none; b=ggBKEphDAvkuLCrmxvRa+gl3Si8xkIx1xCNM/BD7bA/jzyondkvhloh5GPflHGeu/e/HwBUvFgAQoEE1T7FzGQbCOr8gL+nCklCtKOpmD+VfgT6ID3LHI0V8JPG/dDtwkfRIRHVzqvkrd+1TLWgqZObCRt7/aAJ5wOUvGSMWtbc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711321466; c=relaxed/simple; bh=VnDGuHcYbqcpbVk8puKi+ZQ95N/HIblnKNAGwmVKMX4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kCobHww0/y1hSqtj0i+cOCGT1pMKvI2O6PKoB1xakYYToLLJrP/np63UUgXposs5C1Mkw89RGdQvznBUTIVg7Ic3Xgp5ractn1/gw0Uxd7LEAQgiIUTlpmgTi0x3mRKNmNlY4f3rpoAem/fmlEZHd8pCsR6q2kXBiAG3UhdfOlc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QHJ62vqU; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QHJ62vqU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 15599C43601; Sun, 24 Mar 2024 23:04:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711321465; bh=VnDGuHcYbqcpbVk8puKi+ZQ95N/HIblnKNAGwmVKMX4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QHJ62vqUS9+F9HP0n6cHZ++438xzmdd6TSBCouIMzBLxKv1D1qMQEoU6PUe2SIXKW AmnbqRPCGYEKufQtej+bzN11JgxhkjK0Og/e84uyAMyipc+pujfu4bBkz0fqHh+H4Q GQzamUbRgrK+/XjI8V/gsxTU/aJDYCdIA/d9iivtVWzgALKffqnfR1CQ3ru68NMKid kL/D+tXjrXiTYozYkS/fd7AMHIzU3TqR47zJF0anpx2KoDWVZ4aL4or0Oz72TKh3DN dMsuhhDmUEtOut3eHzzTr9Zn9hpEO1vAlPdCnKo8y8oHpCBMs6Xo+lVQ8VMqz2jin5 uBFRfyqiDkLlA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Kang Yang , Jeff Johnson , Kalle Valo , Sasha Levin Subject: [PATCH 6.6 190/638] wifi: ath12k: fix incorrect logic of calculating vdev_stats_id Date: Sun, 24 Mar 2024 18:53:47 -0400 Message-ID: <20240324230116.1348576-191-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240324230116.1348576-1-sashal@kernel.org> References: <20240324230116.1348576-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Kang Yang [ Upstream commit 019b58dcb6ed267e17b7efd03ec8575c1b67d942 ] During calculate vdev_stats_id, will compare vdev_stats_id with ATH12K_INVAL_VDEV_STATS_ID by '<='. If vdev_stats_id is relatively small, then assign ATH12K_INVAL_VDEV_STATS_ID to vdev_stats_id. This logic is incorrect. Firstly, should use '>=' instead of '<=' to check if this u8 variable exceeds the max valid range. Secondly, should use the maximum value as comparison value. Correct comparison symbols and use the maximum value ATH12K_MAX_VDEV_STATS_ID for comparison. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3 Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices") Signed-off-by: Kang Yang Acked-by: Jeff Johnson Signed-off-by: Kalle Valo Link: https://msgid.link/20240130040303.370590-3-quic_kangyang@quicinc.com Signed-off-by: Sasha Levin --- drivers/net/wireless/ath/ath12k/mac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index a8a71478baea8..61435e4489b9f 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -5152,7 +5152,7 @@ ath12k_mac_get_vdev_stats_id(struct ath12k_vif *arvif) do { if (ab->free_vdev_stats_id_map & (1LL << vdev_stats_id)) { vdev_stats_id++; - if (vdev_stats_id <= ATH12K_INVAL_VDEV_STATS_ID) { + if (vdev_stats_id >= ATH12K_MAX_VDEV_STATS_ID) { vdev_stats_id = ATH12K_INVAL_VDEV_STATS_ID; break; } -- 2.43.0