initcall: Adjust the loop logic

Use a variable to hold the function, so we don't need to repeat the
pointer access each time. Rename the init pointer to 'ptr' since we only
refer to it in the for() statement now.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/lib/initcall.c b/lib/initcall.c
index 89a68b2..81c5d24 100644 (file)
--- a/lib/initcall.c
+++ b/lib/initcall.c
@@ -33,25 +33,25 @@ static ulong calc_reloc_ofs(void)
 int initcall_run_list(const init_fnc_t init_sequence[])
 {
        ulong reloc_ofs = calc_reloc_ofs();
-       const init_fnc_t *init_fnc_ptr;
+       const init_fnc_t *ptr;
+       init_fnc_t func;
+       int ret = 0;
 
-       for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
-               int ret;
-
-               if (reloc_ofs)
+       for (ptr = init_sequence; func = *ptr, !ret && func; ptr++) {
+               if (reloc_ofs) {
                        debug("initcall: %p (relocated to %p)\n",
-                             (char *)*init_fnc_ptr - reloc_ofs,
-                             (char *)*init_fnc_ptr);
-               else
-                       debug("initcall: %p\n", (char *)*init_fnc_ptr - reloc_ofs);
+                             (char *)func - reloc_ofs, func);
+               } else {
+                       debug("initcall: %p\n", (char *)func - reloc_ofs);
+               }
 
-               ret = (*init_fnc_ptr)();
+               ret = func();
                if (ret) {
                        printf("initcall sequence %p failed at call %p (err=%d)\n",
-                              init_sequence,
-                              (char *)*init_fnc_ptr - reloc_ofs, ret);
+                              init_sequence, (char *)func - reloc_ofs, ret);
                        return -1;
                }
        }
+
        return 0;
 }