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sfc: Replace spin_is_locked() with lockdep 

lockdep_assert_held() is better suited to checking locking requirements,
since it only checks if the current thread holds the lock regardless of
whether someone else does. This is also a step towards possibly removing
spin_is_locked().

Signed-off-by: Lance Roy <ldr709@gmail.com>
Cc: Solarflare linux maintainers <linux-net-drivers@solarflare.com>
Cc: Bert Kenward <bkenward@solarflare.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: <netdev@vger.kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Acked-by: Edward Cree <ecree@solarflare.com>
This commit is contained in:
Lance Roy 2018-10-04 23:45:41 -07:00 committed by Paul E. McKenney
parent 868f7a09a4
commit 013ff4a6e7
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/sfc/efx.c
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@ -3167,7 +3167,7 @@ struct hlist_head *efx_rps_hash_bucket(struct efx_nic *efx,
{
u32 hash = efx_filter_spec_hash(spec);
WARN_ON(!spin_is_locked(&efx->rps_hash_lock));
lockdep_assert_held(&efx->rps_hash_lock);
if (!efx->rps_hash_table)
return NULL;
return &efx->rps_hash_table[hash % EFX_ARFS_HASH_TABLE_SIZE];