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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-15 10:31:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-15 10:31:35 -0700
commitaf5329cdf51cdd208a323e521faa46800a16d2ec (patch)
tree33eac56aac120778dc04207290ad539765ff5eb6 /kernel/stacktrace.c
parent1dc60c53d36b08f361e1a2767c41196acce96d08 (diff)
parent7798ed0f57b4d137e660fbf5be1e1528e40f89ac (diff)
Merge branch 'core/stacktrace' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core/stacktrace' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: generic-ipi: powerpc/generic-ipi tree build failure stacktrace: fix build failure on sparc64 stacktrace: export save_stack_trace[_tsk] stacktrace: fix modular build, export print_stack_trace and save_stack_trace backtrace: replace timer with tasklet + completions stacktrace: add saved stack traces to backtrace self-test stacktrace: print_stack_trace() cleanup debugging: make stacktrace independent from DEBUG_KERNEL stacktrace: don't crash on invalid stack trace structs
Diffstat (limited to 'kernel/stacktrace.c')
-rw-r--r--kernel/stacktrace.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index b71816e47a3..94b527ef1d1 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);