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CAPI: Convert capi drivers rwlock into mutex

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Turn the lock protecting registered capi drivers into a mutex and apply
it consistently.

Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jan Kiszka
2010-02-08 10:12:11 +00:00
committed by David S. Miller
parent 522530311b
commit 9717fb8b64
3 changed files with 27 additions and 32 deletions
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8
drivers/isdn/capi/kcapi_proc.c
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@@ -238,9 +238,9 @@ static const struct file_operations proc_applstats_ops = {
// ---------------------------------------------------------------------------
static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
__acquires(&capi_drivers_list_lock)
__acquires(&capi_drivers_lock)
{
read_lock(&capi_drivers_list_lock);
mutex_lock(&capi_drivers_lock);
return seq_list_start(&capi_drivers, *pos);
}
@@ -250,9 +250,9 @@ static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos)
}
static void capi_driver_stop(struct seq_file *seq, void *v)
__releases(&capi_drivers_list_lock)
__releases(&capi_drivers_lock)
{
read_unlock(&capi_drivers_list_lock);
mutex_unlock(&capi_drivers_lock);
}
static int capi_driver_show(struct seq_file *seq, void *v)