staging: rdma: ipath: ipath_init_chip: Remove useless initialisation

Remove intialisation of a variable that is immediately reassigned.

The semantic patch used to find this is:

// <smpl>
@@
type T;
identifier x;
constant C;
expression e;
@@

T x
- = C
 ;
x = e;
// </smpl>
Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rdma/ipath/ipath_init_chip.c

@@ -210,7 +210,7 @@ static int bringup_link(struct ipath_devdata *dd)
 
 static struct ipath_portdata *create_portdata0(struct ipath_devdata *dd)
 {
-	struct ipath_portdata *pd = NULL;
+	struct ipath_portdata *pd;
 
 	pd = kzalloc(sizeof(*pd), GFP_KERNEL);
 	if (pd) {