diff options
Diffstat (limited to 'arch/s390/kernel/stacktrace.c')
-rw-r--r-- | arch/s390/kernel/stacktrace.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index 640363b2a105..9f59837d159e 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -162,22 +162,3 @@ void arch_stack_walk_user(stack_trace_consume_fn consume_entry, void *cookie, { arch_stack_walk_user_common(consume_entry, cookie, NULL, regs, false); } - -unsigned long return_address(unsigned int n) -{ - struct unwind_state state; - unsigned long addr; - - /* Increment to skip current stack entry */ - n++; - - unwind_for_each_frame(&state, NULL, NULL, 0) { - addr = unwind_get_return_address(&state); - if (!addr) - break; - if (!n--) - return addr; - } - return 0; -} -EXPORT_SYMBOL_GPL(return_address); |