diff options
Diffstat (limited to 'kernel/stacktrace.c')
| -rw-r--r-- | kernel/stacktrace.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c index 319e7fcf3083..e6a02b274b73 100644 --- a/kernel/stacktrace.c +++ b/kernel/stacktrace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * kernel/stacktrace.c * @@ -206,7 +207,7 @@ int stack_trace_save_tsk_reliable(struct task_struct *tsk, unsigned long *store, ret = arch_stack_walk_reliable(consume_entry, &c, tsk); put_task_stack(tsk); - return ret; + return ret ? ret : c.len; } #endif @@ -227,7 +228,7 @@ unsigned int stack_trace_save_user(unsigned long *store, unsigned int size) }; /* Trace user stack if not a kernel thread */ - if (!current->mm) + if (current->flags & PF_KTHREAD) return 0; arch_stack_walk_user(consume_entry, &c, task_pt_regs(current)); |