[PATCH] stacktrace: Remove superfluous WARN_ONCE() from save_stack_trace_tsk_reliable()

From: Petr Mladek
Date: Mon Apr 29 2019 - 10:56:33 EST


WARN_ONCE() in the generic save_stack_trace_tsk_reliable() is superfluous.
The only current user klp_check_stack() writes its own warning when
-ENOSYS is returned.

Signed-off-by: Petr Mladek <pmladek@xxxxxxxx>
Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Acked-by: Miroslav Benes <mbenes@xxxxxxx>
Reviewed-by: Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx>
---
kernel/stacktrace.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index f8edee9c792d..83ac0ac5ffd9 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -74,6 +74,5 @@ __weak int
save_stack_trace_tsk_reliable(struct task_struct *tsk,
struct stack_trace *trace)
{
- WARN_ONCE(1, KERN_INFO "save_stack_tsk_reliable() not implemented yet.\n");
return -ENOSYS;
}
--
2.16.4