diff options
Diffstat (limited to 'arch/s390/kernel/stacktrace.c')
| -rw-r--r-- | arch/s390/kernel/stacktrace.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index fc5419ac64c8..7ee455e8e3d5 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -3,7 +3,6 @@ * Stack trace management functions * * Copyright IBM Corp. 2006 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> */ #include <linux/stacktrace.h> @@ -19,17 +18,11 @@ void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie, unwind_for_each_frame(&state, task, regs, 0) { addr = unwind_get_return_address(&state); - if (!addr || !consume_entry(cookie, addr, false)) + if (!addr || !consume_entry(cookie, addr)) break; } } -/* - * This function returns an error if it detects any unreliable features of the - * stack. Otherwise it guarantees that the stack trace is reliable. - * - * If the task is not 'current', the caller *must* ensure the task is inactive. - */ int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry, void *cookie, struct task_struct *task) { @@ -52,11 +45,11 @@ int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry, * Mark stacktraces with kretprobed functions on them * as unreliable. */ - if (state.ip == (unsigned long)kretprobe_trampoline) + if (state.ip == (unsigned long)__kretprobe_trampoline) return -EINVAL; #endif - if (!consume_entry(cookie, addr, false)) + if (!consume_entry(cookie, addr)) return -EINVAL; } |