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smsc: Replace spin_is_locked() with lockdep

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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: Steve Glendinning <steve.glendinning@shawell.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: <netdev@vger.kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
This commit is contained in:
Lance Roy 2018-10-04 23:45:42 -07:00 committed by Paul E. McKenney
parent 013ff4a6e7
commit 97eeebea89
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/smsc/smsc911x.h
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@ -67,7 +67,7 @@
#ifdef CONFIG_DEBUG_SPINLOCK
#define SMSC_ASSERT_MAC_LOCK(pdata) \
WARN_ON_SMP(!spin_is_locked(&pdata->mac_lock))
lockdep_assert_held(&pdata->mac_lock)
#else
#define SMSC_ASSERT_MAC_LOCK(pdata) do {} while (0)
#endif /* CONFIG_DEBUG_SPINLOCK */