IB: Whitespace fixes

Remove some trailing whitespace that has snuck in despite the best
efforts of whitespace=error-all.  Also fix a few other whitespace
bogosities.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 1205e80..d8e54e0 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -327,10 +327,10 @@
 }
 EXPORT_SYMBOL(rdma_addr_cancel);
 
-static int netevent_callback(struct notifier_block *self, unsigned long event, 
+static int netevent_callback(struct notifier_block *self, unsigned long event,
 	void *ctx)
 {
-	if (event == NETEVENT_NEIGH_UPDATE) {  
+	if (event == NETEVENT_NEIGH_UPDATE) {
 		struct neighbour *neigh = ctx;
 
 		if (neigh->dev->type == ARPHRD_INFINIBAND &&