Merge branches 'at91', 'ep93xx', 'iop', 'kprobes', 'ks8695', 'misc', 'msm', 's3c2410...

[linux-2.6] / arch / arm / kernel / stacktrace.c

diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 398d0c0511ebe2ac5a6172099d65f4471032648f..ae31deb2d0653a6a8fe57b000fb2827de9acdf13 100644 (file)
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -1,3 +1,4 @@
+#include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/stacktrace.h>
 
@@ -12,7 +13,7 @@ int walk_stackframe(unsigned long fp, unsigned long low, unsigned long high,
                /*
                 * Check current frame pointer is within bounds
                 */
-               if ((fp - 12) < low || fp + 4 >= high)
+               if (fp < (low + 12) || fp + 4 >= high)
                        break;
 
                frame = (struct stackframe *)(fp - 12);
@@ -30,6 +31,7 @@ int walk_stackframe(unsigned long fp, unsigned long low, unsigned long high,
 
        return 0;
 }
+EXPORT_SYMBOL(walk_stackframe);
 
 #ifdef CONFIG_STACKTRACE
 struct stack_trace_data {