From 65a29f60e121ae5116ac1736b50a237bf2db3225 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Thu, 11 Jun 2009 12:22:27 +0100
Subject: [PATCH] tty: cyclades, remove spurious check in ISR

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

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/cyclades.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 6d524391e994..ccf68a9e24b7 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 "
-- 
2.30.2