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net: cassini: use nested lock annotation

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In the cas_lock_tx function we acquire multiple locks in a loop and
need to use nested lock annotation to prevent lockdep warnings.

Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Emil Goode 2014-05-09 01:07:17 +02:00 committed by David S. Miller
parent de682941ee
commit a9de050008
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/sun/cassini.c
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@ -246,7 +246,7 @@ static inline void cas_lock_tx(struct cas *cp)
int i;
for (i = 0; i < N_TX_RINGS; i++)
spin_lock(&cp->tx_lock[i]);
spin_lock_nested(&cp->tx_lock[i], i);
}
static inline void cas_lock_all(struct cas *cp)