[MIPS] Make frame_info_init() more readable.

Signed-off-by: Franck Bui-Huu <vagabon.xyz@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 9 insertions, 9 deletions

diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 93d5432759db..da332d707ce5 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -370,15 +370,15 @@ static int __init frame_info_init(void)
         mfinfo[0].func = schedule;
         schedule_frame = &mfinfo[0];
 #endif
-        for (i = 0; i < ARRAY_SIZE(mfinfo) && mfinfo[i].func; i++) {
-                struct mips_frame_info *info = &mfinfo[i];
-                if (get_frame_info(info)) {
-                        /* leaf or unknown */
-                        if (info->func == schedule)
-                                printk("Can't analyze prologue code at %p\n",
-                                       info->func);
-                }
-        }
+        for (i = 0; i < ARRAY_SIZE(mfinfo) && mfinfo[i].func; i++)
+                get_frame_info(mfinfo + i);
+
+        /*
+         * Without schedule() frame info, result given by
+         * thread_saved_pc() and get_wchan() are not reliable.
+         */
+        if (schedule_frame->pc_offset < 0)
+                printk("Can't analyze schedule() prologue at %p\n", schedule);
 
         mfinfo_num = i;
         return 0;