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    Subject[Patch RFC 25/37] net: wan/cosa.c: Convert "mutex" to semaphore
    The usage of this "mutex" is non obvious and probably a completions in
    some places. Make it a semaphore.

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Cc: David S. Miller <davem@davemloft.net>
    ---
    drivers/net/wan/cosa.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    Index: linux-2.6-tip/drivers/net/wan/cosa.c
    ===================================================================
    --- linux-2.6-tip.orig/drivers/net/wan/cosa.c
    +++ linux-2.6-tip/drivers/net/wan/cosa.c
    @@ -574,7 +574,7 @@ static int cosa_probe(int base, int irq,

    /* Initialize the chardev data structures */
    mutex_init(&chan->rlock);
    - init_MUTEX(&chan->wsem);
    + semaphore_init(&chan->wsem);

    /* Register the network interface */
    if (!(chan->netdev = alloc_hdlcdev(chan))) {



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