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>

drivers/infiniband/core/uverbs_cmd.c

@@ -1676,7 +1676,6 @@ ssize_t ib_uverbs_post_recv(struct ib_uverbs_file *file,
 				break;
 		}
 
-
 	if (copy_to_user((void __user *) (unsigned long) cmd.response,
 			 &resp, sizeof resp))
 		ret = -EFAULT;
@@ -1726,7 +1725,6 @@ ssize_t ib_uverbs_post_srq_recv(struct ib_uverbs_file *file,
 				break;
 		}
 
-
 	if (copy_to_user((void __user *) (unsigned long) cmd.response,
 			 &resp, sizeof resp))
 		ret = -EFAULT;