[netdrvr] irq handler minor cleanups in several drivers

* use irq_handler_t where appropriate

* no need to use 'irq' function arg, its already stored in a data struct

* rename irq handler 'irq' argument to 'dummy', where the function
  has been analyzed and proven not to use its first argument.

* remove always-false "dev_id == NULL" test from irq handlers

* remove pointless casts from void*

* declance: irq argument is not const

* add KERN_xxx printk prefix

* fix minor whitespace weirdness

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 0 insertions, 3 deletions

diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index abac7db3819e..73d6ac9406b3 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -3614,9 +3614,6 @@ static irqreturn_t ucc_geth_irq_handler(int irq, void *info)
 
         ugeth_vdbg("%s: IN", __FUNCTION__);
 
-        if (!ugeth)
-                return IRQ_NONE;
-
         uccf = ugeth->uccf;
         ug_info = ugeth->ug_info;