Messages in this thread Patch in this message |  | | From | Lance Roy <> | Subject | [PATCH 05/16] igbvf: Replace spin_is_locked() with lockdep | Date | Tue, 2 Oct 2018 22:38:51 -0700 |
| |
lockdep_assert_held() is better suited to checking locking requirements, since it won't get confused when someone else holds the lock. This is also a step towards possibly removing spin_is_locked().
Signed-off-by: Lance Roy <ldr709@gmail.com> Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: intel-wired-lan@lists.osuosl.org Cc: <netdev@vger.kernel.org> --- drivers/net/ethernet/intel/igbvf/mbx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/igbvf/mbx.c b/drivers/net/ethernet/intel/igbvf/mbx.c index 163e5838f7c2..a3cd7ac48d4b 100644 --- a/drivers/net/ethernet/intel/igbvf/mbx.c +++ b/drivers/net/ethernet/intel/igbvf/mbx.c @@ -241,7 +241,7 @@ static s32 e1000_write_mbx_vf(struct e1000_hw *hw, u32 *msg, u16 size) s32 err; u16 i; - WARN_ON_ONCE(!spin_is_locked(&hw->mbx_lock)); + lockdep_assert_held(&hw->mbx_lock); /* lock the mailbox to prevent pf/vf race condition */ err = e1000_obtain_mbx_lock_vf(hw); @@ -279,7 +279,7 @@ static s32 e1000_read_mbx_vf(struct e1000_hw *hw, u32 *msg, u16 size) s32 err; u16 i; - WARN_ON_ONCE(!spin_is_locked(&hw->mbx_lock)); + lockdep_assert_held(&hw->mbx_lock); /* lock the mailbox to prevent pf/vf race condition */ err = e1000_obtain_mbx_lock_vf(hw); -- 2.19.0
|  |