diff options
author | Patryk Małek <patryk.malek@intel.com> | 2018-08-28 20:16:03 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-20 19:59:45 +0300 |
commit | 546594c2b2018dbcae975bc239b6042648b284af (patch) | |
tree | a748bf02e7757494149de85eea297ddd62b8fc29 /drivers/net/ethernet/intel | |
parent | 85deb3b185dc6006dc699b3476c9d626ff9b9590 (diff) | |
download | linux-546594c2b2018dbcae975bc239b6042648b284af.tar.xz |
i40e: hold the rtnl lock on clearing interrupt scheme
[ Upstream commit 5cba17b14182696d6bb0ec83a1d087933f252241 ]
Hold the rtnl lock when we're clearing interrupt scheme
in i40e_shutdown and in i40e_remove.
Signed-off-by: Patryk Małek <patryk.malek@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 39029a12a233..aa2b446d6ad0 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11885,6 +11885,7 @@ static void i40e_remove(struct pci_dev *pdev) mutex_destroy(&hw->aq.asq_mutex); /* Clear all dynamic memory lists of rings, q_vectors, and VSIs */ + rtnl_lock(); i40e_clear_interrupt_scheme(pf); for (i = 0; i < pf->num_alloc_vsi; i++) { if (pf->vsi[i]) { @@ -11893,6 +11894,7 @@ static void i40e_remove(struct pci_dev *pdev) pf->vsi[i] = NULL; } } + rtnl_unlock(); for (i = 0; i < I40E_MAX_VEB; i++) { kfree(pf->veb[i]); @@ -12086,7 +12088,13 @@ static void i40e_shutdown(struct pci_dev *pdev) wr32(hw, I40E_PFPM_WUFC, (pf->wol_en ? I40E_PFPM_WUFC_MAG_MASK : 0)); + /* Since we're going to destroy queues during the + * i40e_clear_interrupt_scheme() we should hold the RTNL lock for this + * whole section + */ + rtnl_lock(); i40e_clear_interrupt_scheme(pf); + rtnl_unlock(); if (system_state == SYSTEM_POWER_OFF) { pci_wake_from_d3(pdev, pf->wol_en); |