From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Amitkumar Karwar , Brian Norris , Kalle Valo , Amit Pundir Subject: [PATCH 4.9 72/92] mwifiex: report error to PCIe for suspend failure Date: Thu, 29 Nov 2018 15:12:41 +0100 Message-Id: <20181129140112.215992142@linuxfoundation.org> In-Reply-To: <20181129140106.520639693@linuxfoundation.org> References: <20181129140106.520639693@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Amitkumar Karwar commit 5190f2e405919cd30ba2f12c58129fb2d71cd6b6 upstream. When host_sleep_config command fails, we should return an error to PCIe, instead of continuing (and possibly panicking, when we try to keep processing a timed-out ioctl after we return "successfully" from suspend). Signed-off-by: Amitkumar Karwar Reviewed-by: Brian Norris Tested-by: Brian Norris Signed-off-by: Kalle Valo Signed-off-by: Amit Pundir Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/marvell/mwifiex/pcie.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) --- a/drivers/net/wireless/marvell/mwifiex/pcie.c +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c @@ -101,7 +101,6 @@ static int mwifiex_pcie_suspend(struct d { struct mwifiex_adapter *adapter; struct pcie_service_card *card; - int hs_actived; struct pci_dev *pdev = to_pci_dev(dev); if (pdev) { @@ -117,7 +116,14 @@ static int mwifiex_pcie_suspend(struct d adapter = card->adapter; - hs_actived = mwifiex_enable_hs(adapter); + /* Enable the Host Sleep */ + if (!mwifiex_enable_hs(adapter)) { + mwifiex_dbg(adapter, ERROR, + "cmd: failed to suspend\n"); + adapter->hs_enabling = false; + return -EFAULT; + } + flush_workqueue(adapter->workqueue); /* Indicate device suspended */