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Various drivers' irq handlers: kill dead code, needless casts

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- Eliminate casts to/from void*

- Eliminate checks for conditions that never occur.  These typically
  fall into two classes:

	1) Checking for 'dev_id == NULL', then it is never called with
	NULL as an argument.

	2) Checking for invalid irq number, when the only caller (the
	system) guarantees the irq handler is called with the proper
	'irq' number argument.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik
2006-10-06 15:00:58 -04:00
parent c31f28e778
commit c7bec5aba5
35 changed files with 59 additions and 98 deletions
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sound/oss/vwsnd.c
+1 -1
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@@ -2235,7 +2235,7 @@ static void vwsnd_audio_write_intr(vwsnd_dev_t *devc, unsigned int status)
static irqreturn_t vwsnd_audio_intr(int irq, void *dev_id)
{
vwsnd_dev_t *devc = (vwsnd_dev_t *) dev_id;
vwsnd_dev_t *devc = dev_id;
unsigned int status;
DBGEV("(irq=%d, dev_id=0x%p)\n", irq, dev_id);