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-rw-r--r--kernel/stacktrace.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index b71816e47a30..94b527ef1d1e 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -6,19 +6,21 @@
* Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
*/
#include <linux/sched.h>
+#include <linux/module.h>
#include <linux/kallsyms.h>
#include <linux/stacktrace.h>
void print_stack_trace(struct stack_trace *trace, int spaces)
{
- int i, j;
+ int i;
- for (i = 0; i < trace->nr_entries; i++) {
- unsigned long ip = trace->entries[i];
+ if (WARN_ON(!trace->entries))
+ return;
- for (j = 0; j < spaces + 1; j++)
- printk(" ");
- print_ip_sym(ip);
+ for (i = 0; i < trace->nr_entries; i++) {
+ printk("%*c", 1 + spaces, ' ');
+ print_ip_sym(trace->entries[i]);
}
}
+EXPORT_SYMBOL_GPL(print_stack_trace);