reiserfs: cleanup, remove unnecessary parens

The reiserfs code is littered with extra parens in places where the authors
may not have been certain about precedence of & vs ->. This patch cleans them
out.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>
diff --git a/fs/reiserfs/fix_node.c b/fs/reiserfs/fix_node.c
index 33bbcb6..46b0146 100644
--- a/fs/reiserfs/fix_node.c
+++ b/fs/reiserfs/fix_node.c
@@ -81,7 +81,7 @@
 	ih = item_head(Sh, 0);
 
 	/* define the mergeability for 0-th item (if it is not being deleted) */
-	if (op_is_left_mergeable(&(ih->ih_key), Sh->b_size)
+	if (op_is_left_mergeable(&ih->ih_key, Sh->b_size)
 	    && (vn->vn_mode != M_DELETE || vn->vn_affected_item_num))
 		vn->vn_vi[0].vi_type |= VI_TYPE_LEFT_MERGEABLE;
 
@@ -682,7 +682,7 @@
 	/* check whether we can divide 1 remaining item between neighbors */
 
 	/* get size of remaining item (in item units) */
-	size = op_unit_num(&(vn->vn_vi[to_left]));
+	size = op_unit_num(&vn->vn_vi[to_left]);
 
 	if (tb->lbytes + tb->rbytes >= size) {
 		set_parameters(tb, 0, to_left + 1, to_right + 1, 0, NULL,
@@ -720,7 +720,7 @@
 
 		ih = item_head(S0, 0);
 		if (tb->CFR[0]
-		    && !comp_short_le_keys(&(ih->ih_key),
+		    && !comp_short_le_keys(&ih->ih_key,
 					   internal_key(tb->CFR[0],
 							  tb->rkey[0])))
 			/*
@@ -1287,7 +1287,7 @@
 	    /* shifting may merge items which might save space */
 	    -
 	    ((!h
-	      && op_is_left_mergeable(&(ih->ih_key), Sh->b_size)) ? IH_SIZE : 0)
+	      && op_is_left_mergeable(&ih->ih_key, Sh->b_size)) ? IH_SIZE : 0)
 	    -
 	    ((!h && r_key
 	      && op_is_left_mergeable(r_key, Sh->b_size)) ? IH_SIZE : 0)