of: Minor simplification for the of_parse_phandles_with_args()

By using 'list++' in the beginning we can simplify the code a
little bit.

Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/of/base.c b/drivers/of/base.c
index 4f884a358a7..cf04d4dd4a5 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -547,14 +547,12 @@ int of_parse_phandles_with_args(struct device_node *np, const char *list_name,
                 const u32 *cells;
                 const phandle *phandle;
 
-                phandle = list;
-                args = list + 1;
+                phandle = list++;
+                args = list;
 
                 /* one cell hole in the list = <>; */
-                if (!*phandle) {
-                        list++;
+                if (!*phandle)
                         goto next;
-                }
 
                 node = of_find_node_by_phandle(*phandle);
                 if (!node) {
@@ -570,8 +568,7 @@ int of_parse_phandles_with_args(struct device_node *np, const char *list_name,
                         goto err1;
                 }
 
-                /* Next phandle is at offset of one phandle cell + #cells */
-                list += 1 + *cells;
+                list += *cells;
                 if (list > list_end) {
                         pr_debug("%s: insufficient arguments length\n",
                                  np->full_name);