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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-22 12:55:13 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-22 12:55:13 +0100 |
| commit | 7a6aa989f2e844a22cfab5c8ff30e77d17dabb2f (patch) | |
| tree | dd9c0dac74d0839fd0dd2fd24a59504d5180343a /arch/loongarch/kernel/process.c | |
| parent | 05e2600cb0a4d73b0779cf29512819616252aeeb (diff) | |
| parent | 2241ab53cbb5cdb08a6b2d4688feb13971058f65 (diff) | |
Merge 6.2-rc5 into tty-next
We need the serial/tty changes into this branch as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/loongarch/kernel/process.c')
| -rw-r--r-- | arch/loongarch/kernel/process.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/loongarch/kernel/process.c b/arch/loongarch/kernel/process.c index c583b1ef1f44..edfd220a3737 100644 --- a/arch/loongarch/kernel/process.c +++ b/arch/loongarch/kernel/process.c @@ -191,20 +191,14 @@ out: unsigned long __get_wchan(struct task_struct *task) { - unsigned long pc; + unsigned long pc = 0; struct unwind_state state; if (!try_get_task_stack(task)) return 0; - unwind_start(&state, task, NULL); - state.sp = thread_saved_fp(task); - get_stack_info(state.sp, state.task, &state.stack_info); - state.pc = thread_saved_ra(task); -#ifdef CONFIG_UNWINDER_PROLOGUE - state.type = UNWINDER_PROLOGUE; -#endif - for (; !unwind_done(&state); unwind_next_frame(&state)) { + for (unwind_start(&state, task, NULL); + !unwind_done(&state); unwind_next_frame(&state)) { pc = unwind_get_return_address(&state); if (!pc) break; |