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/sysfs.c b/drivers/infiniband/core/sysfs.c
index 21f9282..fb66605 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -68,7 +68,7 @@
 	int			index;
 };
 
-static inline int ibdev_is_alive(const struct ib_device *dev) 
+static inline int ibdev_is_alive(const struct ib_device *dev)
 {
 	return dev->reg_state == IB_DEV_REGISTERED;
 }