From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Tushar Dave <tushar.n.dave@oracle.com>,
Fengguang Wu <fengguang.wu@intel.com>,
Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.4 22/34] e1000: fix disabling already-disabled warning
Date: Fri, 2 Mar 2018 09:51:18 +0100 [thread overview]
Message-ID: <20180302084437.471716497@linuxfoundation.org> (raw)
In-Reply-To: <20180302084435.842679610@linuxfoundation.org>
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/intel/e1000/e1000.h | 3 +-
drivers/net/ethernet/intel/e1000/e1000_main.c | 27 +++++++++++++++++++++-----
2 files changed, 24 insertions(+), 6 deletions(-)
--- 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
--- 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 e
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 = 0;
@@ -950,6 +950,7 @@ static int e1000_probe(struct pci_dev *p
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
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
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);
}
/**
@@ -5135,7 +5141,8 @@ static int __e1000_shutdown(struct pci_d
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;
}
@@ -5179,6 +5186,10 @@ static int e1000_resume(struct pci_dev *
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);
@@ -5253,7 +5264,9 @@ static pci_ers_result_t e1000_io_error_d
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;
@@ -5281,6 +5294,10 @@ static pci_ers_result_t e1000_io_slot_re
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);
next prev parent reply other threads:[~2018-03-02 8:54 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-02 8:50 [PATCH 4.4 00/34] 4.4.120-stable review Greg Kroah-Hartman
2018-03-02 8:50 ` [PATCH 4.4 01/34] hrtimer: Ensure POSIX compliance (relative CLOCK_REALTIME hrtimers) Greg Kroah-Hartman
2018-03-02 8:50 ` [PATCH 4.4 02/34] f2fs: fix a bug caused by NULL extent tree Greg Kroah-Hartman
2018-03-02 8:50 ` [PATCH 4.4 03/34] mtd: nand: gpmi: Fix failure when a erased page has a bitflip at BBM Greg Kroah-Hartman
2018-03-06 21:22 ` Ben Hutchings
2018-03-07 8:12 ` Boris Brezillon
2018-03-07 8:19 ` Richard Weinberger
2018-03-07 14:58 ` Sasha Levin
2018-03-02 8:51 ` [PATCH 4.4 04/34] ipv6: icmp6: Allow icmp messages to be looped back Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 05/34] ARM: 8731/1: Fix csum_partial_copy_from_user() stack mismatch Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 06/34] sget(): handle failures of register_shrinker() Greg Kroah-Hartman
2018-03-07 2:16 ` Ben Hutchings
2018-03-02 8:51 ` [PATCH 4.4 07/34] drm/nouveau/pci: do a msi rearm on init Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 08/34] spi: atmel: fixed spin_lock usage inside atmel_spi_remove Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 09/34] net: arc_emac: fix arc_emac_rx() error paths Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 10/34] scsi: storvsc: Fix scsi_cmd error assignments in storvsc_handle_error Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 11/34] ARM: dts: ls1021a: fix incorrect clock references Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 12/34] lib/mpi: Fix umul_ppmm() for MIPS64r6 Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 13/34] tg3: Add workaround to restrict 5762 MRRS to 2048 Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 14/34] tg3: Enable PHY reset in MTU change path for 5720 Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 15/34] bnx2x: Improve reliability in case of nested PCI errors Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 16/34] led: core: Fix brightness setting when setting delay_off=0 Greg Kroah-Hartman
2018-03-07 15:30 ` Ben Hutchings
2018-03-07 15:32 ` Ben Hutchings
2018-03-07 20:39 ` Jacek Anaszewski
2018-03-08 17:24 ` Greg Kroah-Hartman
2018-03-08 18:04 ` Pavel Machek
2018-03-08 20:48 ` Jacek Anaszewski
2018-03-09 1:09 ` Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 17/34] s390/dasd: fix wrongly assigned configuration data Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 18/34] IB/mlx4: Fix mlx4_ib_alloc_mr error flow Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 19/34] IB/ipoib: Fix race condition in neigh creation Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 20/34] xfs: quota: fix missed destroy of qi_tree_lock Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 21/34] xfs: quota: check result of register_shrinker() Greg Kroah-Hartman
2018-03-02 8:51 ` Greg Kroah-Hartman [this message]
2018-03-02 8:51 ` [PATCH 4.4 23/34] drm/ttm: check the return value of kzalloc Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 24/34] mac80211: mesh: drop frames appearing to be from us Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 25/34] can: flex_can: Correct the checking for frame length in flexcan_start_xmit() Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 26/34] bnxt_en: Fix the Invalid VF id check in bnxt_vf_ndo_prep routine Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 27/34] xen-netfront: enable device after manual module load Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 28/34] mdio-sun4i: Fix a memory leak Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 29/34] SolutionEngine771x: fix Ether platform data Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 30/34] xen/gntdev: Fix off-by-one error when unmapping with holes Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 31/34] xen/gntdev: Fix partial gntdev_mmap() cleanup Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 32/34] sctp: make use of pre-calculated len Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 33/34] net: gianfar_ptp: move set_fipers() to spinlock protecting area Greg Kroah-Hartman
2018-03-02 8:51 ` [PATCH 4.4 34/34] MIPS: Implement __multi3 for GCC7 MIPS64r6 builds Greg Kroah-Hartman
2018-03-02 12:22 ` [PATCH 4.4 00/34] 4.4.120-stable review Nathan Chancellor
2018-03-02 18:53 ` Greg Kroah-Hartman
2018-03-02 13:58 ` kernelci.org bot
2018-03-02 16:59 ` Naresh Kamboju
2018-03-02 17:16 ` Guenter Roeck
2018-03-02 21:30 ` Shuah Khan
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