[PATCH 3/3] Char: cyclades, remove spurious check in ISR

From: Jiri Slaby
Date: Wed Apr 15 2009 - 02:48:36 EST


No need to check if dev_id is NULL, it never is.

Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
---
drivers/char/cyclades.c | 8 --------
1 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 6d52439..ccf68a9 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1737,14 +1737,6 @@ static irqreturn_t cyz_interrupt(int irq, void *dev_id)
{
struct cyclades_card *cinfo = dev_id;

- if (unlikely(cinfo == NULL)) {
-#ifdef CY_DEBUG_INTERRUPTS
- printk(KERN_DEBUG "cyz_interrupt: spurious interrupt %d\n",
- irq);
-#endif
- return IRQ_NONE; /* spurious interrupt */
- }
-
if (unlikely(!ISZLOADED(*cinfo))) {
#ifdef CY_DEBUG_INTERRUPTS
printk(KERN_DEBUG "cyz_interrupt: board not yet loaded "
--
1.6.2

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