[PATCH 5.10 621/717] um: Fix time-travel mode

Greg Kroah-Hartman
2020-12-28T14:28:56Z

From: Johannes Berg <johannes.berg@intel.com>

commit ff9632d2a66512436d616ef4c380a0e73f748db1 upstream.

Since the time-travel rework, basic time-travel mode hasn't worked
properly, but there's no longer a need for this WARN_ON() so just
remove it and thereby fix things.

Cc: stable@vger.kernel.org
Fixes: 4b786e24ca80 ("um: time-travel: Rewrite as an event scheduler")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
arch/um/kernel/time.c | 5 -----
1 file changed, 5 deletions(-)

--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -260,11 +260,6 @@ static void __time_travel_add_event(stru
struct time_travel_event *tmp;
bool inserted = false;

- if (WARN(time_travel_mode == TT_MODE_BASIC &&
- e != &time_travel_timer_event,
- "only timer events can be handled in basic mode"))
- return;
-
if (e->pending)
return;