From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:55756 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726277AbeHWMbG (ORCPT ); Thu, 23 Aug 2018 08:31:06 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Michael Hennerich , Alexandru Ardelean , Stefan Schmidt , Sasha Levin Subject: [PATCH 4.17 220/324] net: ieee802154: adf7242: Fix erroneous RX enable Date: Thu, 23 Aug 2018 09:54:46 +0200 Message-Id: <20180823075007.180828636@linuxfoundation.org> In-Reply-To: <20180823074955.885811006@linuxfoundation.org> References: <20180823074955.885811006@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Michael Hennerich [ Upstream commit 36d26d6b6208399070a9d7993534fef9fc26b1ba ] Only enable RX mode if the netdev is opened. Signed-off-by: Michael Hennerich Signed-off-by: Alexandru Ardelean Signed-off-by: Stefan Schmidt Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/net/ieee802154/adf7242.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/net/ieee802154/adf7242.c +++ b/drivers/net/ieee802154/adf7242.c @@ -719,7 +719,10 @@ static int adf7242_channel(struct ieee80 adf7242_write_reg(lp, REG_CH_FREQ1, freq >> 8); adf7242_write_reg(lp, REG_CH_FREQ2, freq >> 16); - return adf7242_cmd(lp, CMD_RC_RX); + if (test_bit(FLAG_START, &lp->flags)) + return adf7242_cmd_rx(lp); + else + return adf7242_cmd(lp, CMD_RC_PHY_RDY); } static int adf7242_set_hw_addr_filt(struct ieee802154_hw *hw,