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From: Sasha Levin <Alexander.Levin@microsoft.com>
To: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: Tushar Dave <tushar.n.dave@oracle.com>,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
	Sasha Levin <Alexander.Levin@microsoft.com>
Subject: [PATCH AUTOSEL for 4.9 37/52] e1000: fix disabling already-disabled warning
Date: Sat, 3 Feb 2018 18:03:54 +0000	[thread overview]
Message-ID: <20180203180303.8490-37-alexander.levin@microsoft.com> (raw)
In-Reply-To: <20180203180303.8490-1-alexander.levin@microsoft.com>

From: Tushar Dave <tushar.n.dave@oracle.com>

[ Upstream commit 0b76aae741abb9d16d2c0e67f8b1e766576f897d ]

This patch adds check so that driver does not disable already
disabled device.

[   44.637743] advantechwdt: Unexpected close, not stopping watchdog!
[   44.997548] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input6
[   45.013419] e1000 0000:00:03.0: disabling already-disabled device
[   45.013447] ------------[ cut here ]------------
[   45.014868] WARNING: CPU: 1 PID: 71 at drivers/pci/pci.c:1641 pci_disable_device+0xa1/0x105:
						pci_disable_device at drivers/pci/pci.c:1640
[   45.016171] CPU: 1 PID: 71 Comm: rcu_perf_shutdo Not tainted 4.14.0-01330-g3c07399 #1
[   45.017197] task: ffff88011bee9e40 task.stack: ffffc90000860000
[   45.017987] RIP: 0010:pci_disable_device+0xa1/0x105:
						pci_disable_device at drivers/pci/pci.c:1640
[   45.018603] RSP: 0000:ffffc90000863e30 EFLAGS: 00010286
[   45.019282] RAX: 0000000000000035 RBX: ffff88013a230008 RCX: 0000000000000000
[   45.020182] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000203
[   45.021084] RBP: ffff88013a3f31e8 R08: 0000000000000001 R09: 0000000000000000
[   45.021986] R10: ffffffff827ec29c R11: 0000000000000002 R12: 0000000000000001
[   45.022946] R13: ffff88013a230008 R14: ffff880117802b20 R15: ffffc90000863e8f
[   45.023842] FS:  0000000000000000(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000
[   45.024863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.025583] CR2: ffffc900006d4000 CR3: 000000000220f000 CR4: 00000000000006a0
[   45.026478] Call Trace:
[   45.026811]  __e1000_shutdown+0x1d4/0x1e2:
						__e1000_shutdown at drivers/net/ethernet/intel/e1000/e1000_main.c:5162
[   45.027344]  ? rcu_perf_cleanup+0x2a1/0x2a1:
						rcu_perf_shutdown at kernel/rcu/rcuperf.c:627
[   45.027883]  e1000_shutdown+0x14/0x3a:
						e1000_shutdown at drivers/net/ethernet/intel/e1000/e1000_main.c:5235
[   45.028351]  device_shutdown+0x110/0x1aa:
						device_shutdown at drivers/base/core.c:2807
[   45.028858]  kernel_power_off+0x31/0x64:
						kernel_power_off at kernel/reboot.c:260
[   45.029343]  rcu_perf_shutdown+0x9b/0xa7:
						rcu_perf_shutdown at kernel/rcu/rcuperf.c:637
[   45.029852]  ? __wake_up_common_lock+0xa2/0xa2:
						autoremove_wake_function at kernel/sched/wait.c:376
[   45.030414]  kthread+0x126/0x12e:
						kthread at kernel/kthread.c:233
[   45.030834]  ? __kthread_bind_mask+0x8e/0x8e:
						kthread at kernel/kthread.c:190
[   45.031399]  ? ret_from_fork+0x1f/0x30:
						ret_from_fork at arch/x86/entry/entry_64.S:443
[   45.031883]  ? kernel_init+0xa/0xf5:
						kernel_init at init/main.c:997
[   45.032325]  ret_from_fork+0x1f/0x30:
						ret_from_fork at arch/x86/entry/entry_64.S:443
[   45.032777] Code: 00 48 85 ed 75 07 48 8b ab a8 00 00 00 48 8d bb 98 00 00 00 e8 aa d1 11 00 48 89 ea 48 89 c6 48 c7 c7 d8 e4 0b 82 e8 55 7d da ff <0f> ff b9 01 00 00 00 31 d2 be 01 00 00 00 48 c7 c7 f0 b1 61 82
[   45.035222] ---[ end trace c257137b1b1976ef ]---
[   45.037838] ACPI: Preparing to enter system sleep state S5

Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Tested-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
 drivers/net/ethernet/intel/e1000/e1000.h      |  3 ++-
 drivers/net/ethernet/intel/e1000/e1000_main.c | 27 ++++++++++++++++++++++-----
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/intel/e1000/e1000.h b/drivers/net/ethernet/intel/e1000/e1000.h
index d7bdea79e9fa..8fd2458060a0 100644
--- a/drivers/net/ethernet/intel/e1000/e1000.h
+++ b/drivers/net/ethernet/intel/e1000/e1000.h
@@ -331,7 +331,8 @@ struct e1000_adapter {
 enum e1000_state_t {
 	__E1000_TESTING,
 	__E1000_RESETTING,
-	__E1000_DOWN
+	__E1000_DOWN,
+	__E1000_DISABLED
 };
 
 #undef pr_fmt
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index f42129d09e2c..dd112aa5cebb 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -940,7 +940,7 @@ static int e1000_init_hw_struct(struct e1000_adapter *adapter,
 static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	struct net_device *netdev;
-	struct e1000_adapter *adapter;
+	struct e1000_adapter *adapter = NULL;
 	struct e1000_hw *hw;
 
 	static int cards_found;
@@ -950,6 +950,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	u16 tmp = 0;
 	u16 eeprom_apme_mask = E1000_EEPROM_APME;
 	int bars, need_ioport;
+	bool disable_dev = false;
 
 	/* do not allocate ioport bars when not needed */
 	need_ioport = e1000_is_need_ioport(pdev);
@@ -1250,11 +1251,13 @@ err_mdio_ioremap:
 	iounmap(hw->ce4100_gbe_mdio_base_virt);
 	iounmap(hw->hw_addr);
 err_ioremap:
+	disable_dev = !test_and_set_bit(__E1000_DISABLED, &adapter->flags);
 	free_netdev(netdev);
 err_alloc_etherdev:
 	pci_release_selected_regions(pdev, bars);
 err_pci_reg:
-	pci_disable_device(pdev);
+	if (!adapter || disable_dev)
+		pci_disable_device(pdev);
 	return err;
 }
 
@@ -1272,6 +1275,7 @@ static void e1000_remove(struct pci_dev *pdev)
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct e1000_hw *hw = &adapter->hw;
+	bool disable_dev;
 
 	e1000_down_and_stop(adapter);
 	e1000_release_manageability(adapter);
@@ -1290,9 +1294,11 @@ static void e1000_remove(struct pci_dev *pdev)
 		iounmap(hw->flash_address);
 	pci_release_selected_regions(pdev, adapter->bars);
 
+	disable_dev = !test_and_set_bit(__E1000_DISABLED, &adapter->flags);
 	free_netdev(netdev);
 
-	pci_disable_device(pdev);
+	if (disable_dev)
+		pci_disable_device(pdev);
 }
 
 /**
@@ -5166,7 +5172,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
 	if (netif_running(netdev))
 		e1000_free_irq(adapter);
 
-	pci_disable_device(pdev);
+	if (!test_and_set_bit(__E1000_DISABLED, &adapter->flags))
+		pci_disable_device(pdev);
 
 	return 0;
 }
@@ -5210,6 +5217,10 @@ static int e1000_resume(struct pci_dev *pdev)
 		pr_err("Cannot enable PCI device from suspend\n");
 		return err;
 	}
+
+	/* flush memory to make sure state is correct */
+	smp_mb__before_atomic();
+	clear_bit(__E1000_DISABLED, &adapter->flags);
 	pci_set_master(pdev);
 
 	pci_enable_wake(pdev, PCI_D3hot, 0);
@@ -5284,7 +5295,9 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
 
 	if (netif_running(netdev))
 		e1000_down(adapter);
-	pci_disable_device(pdev);
+
+	if (!test_and_set_bit(__E1000_DISABLED, &adapter->flags))
+		pci_disable_device(pdev);
 
 	/* Request a slot slot reset. */
 	return PCI_ERS_RESULT_NEED_RESET;
@@ -5312,6 +5325,10 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
 		pr_err("Cannot re-enable PCI device after reset.\n");
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
+
+	/* flush memory to make sure state is correct */
+	smp_mb__before_atomic();
+	clear_bit(__E1000_DISABLED, &adapter->flags);
 	pci_set_master(pdev);
 
 	pci_enable_wake(pdev, PCI_D3hot, 0);
-- 
2.11.0

  parent reply	other threads:[~2018-02-03 18:27 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-03 18:03 [PATCH AUTOSEL for 4.9 01/52] dmaengine: fsl-edma: disable clks on all error paths Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 02/52] nvme: check hw sectors before setting chunk sectors Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 03/52] net: usb: qmi_wwan: add Telit ME910 PID 0x1101 support Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 04/52] mtd: nand: gpmi: Fix failure when a erased page has a bitflip at BBM Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 06/52] ipv6: icmp6: Allow icmp messages to be looped back Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 05/52] mtd: nand: brcmnand: Zero bitflip is not an error Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 07/52] ARM: 8731/1: Fix csum_partial_copy_from_user() stack mismatch Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 08/52] x86/asm: Allow again using asm.h when building for the 'bpf' clang target Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 09/52] mm,vmscan: Make unregister_shrinker() no-op if register_shrinker() failed Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 10/52] sget(): handle failures of register_shrinker() Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 12/52] drm/nouveau/pci: do a msi rearm on init Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 11/52] net: phy: xgene: disable clk on error paths Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 13/52] mac80211_hwsim: Fix a possible sleep-in-atomic bug in hwsim_get_radio_nl Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 15/52] ASoC: nau8825: fix issue that pop noise when start capture Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 14/52] spi: atmel: fixed spin_lock usage inside atmel_spi_remove Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 16/52] net: mediatek: setup proper state for disabled GMAC on the default Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 17/52] net: arc_emac: fix arc_emac_rx() error paths Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 18/52] ip6_tunnel: get the min mtu properly in ip6_tnl_xmit Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 19/52] net: stmmac: Fix TX timestamp calculation Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 20/52] scsi: storvsc: Fix scsi_cmd error assignments in storvsc_handle_error Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 22/52] lib/mpi: Fix umul_ppmm() for MIPS64r6 Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 21/52] ARM: dts: ls1021a: fix incorrect clock references Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 24/52] tipc: fix tipc_mon_delete() oops in tipc_enable_bearer() error path Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 23/52] tipc: error path leak fixes in tipc_enable_bearer() Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 25/52] tg3: Add workaround to restrict 5762 MRRS to 2048 Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 26/52] tg3: Enable PHY reset in MTU change path for 5720 Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 27/52] bnx2x: Improve reliability in case of nested PCI errors Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 28/52] led: core: Fix brightness setting when setting delay_off=0 Sasha Levin
2018-02-03 21:22   ` Jacek Anaszewski
2018-02-03 22:34     ` Jacek Anaszewski
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 29/52] IB/mlx5: Fix mlx5_ib_alloc_mr error flow Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 30/52] genirq: Guard handle_bad_irq log messages Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 31/52] s390/dasd: fix wrongly assigned configuration data Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 32/52] IB/mlx4: Fix mlx4_ib_alloc_mr error flow Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 33/52] IB/ipoib: Fix race condition in neigh creation Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 34/52] xfs: quota: fix missed destroy of qi_tree_lock Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 36/52] macvlan: Fix one possible double free Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 35/52] xfs: quota: check result of register_shrinker() Sasha Levin
2018-02-03 18:03 ` Sasha Levin [this message]
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 38/52] NET: usb: qmi_wwan: add support for YUGA CLM920-NC5 PID 0x9625 Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 39/52] drm/ttm: check the return value of kzalloc Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 40/52] uapi libc compat: add fallback for unsupported libcs Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 41/52] i40e/i40evf: Account for frags split over multiple descriptors in check linearize Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 42/52] nl80211: Check for the required netlink attribute presence Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 44/52] can: flex_can: Correct the checking for frame length in flexcan_start_xmit() Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 43/52] mac80211: mesh: drop frames appearing to be from us Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 45/52] bnxt_en: Fix the 'Invalid VF' id check in bnxt_vf_ndo_prep routine Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 46/52] xen-netfront: enable device after manual module load Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 48/52] SolutionEngine771x: fix Ether platform data Sasha Levin
2018-02-03 18:03 ` [PATCH AUTOSEL for 4.9 47/52] mdio-sun4i: Fix a memory leak Sasha Levin
2018-02-03 18:04 ` [PATCH AUTOSEL for 4.9 50/52] xen/gntdev: Fix partial gntdev_mmap() cleanup Sasha Levin
2018-02-03 18:04 ` [PATCH AUTOSEL for 4.9 49/52] xen/gntdev: Fix off-by-one error when unmapping with holes Sasha Levin
2018-02-03 18:04 ` [PATCH AUTOSEL for 4.9 52/52] net: gianfar_ptp: move set_fipers() to spinlock protecting area Sasha Levin
2018-02-03 18:04 ` [PATCH AUTOSEL for 4.9 51/52] sctp: make use of pre-calculated len Sasha Levin

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