diff options
| author | Richard Braun <rbraun@sceen.net> | 2017-06-03 14:20:13 +0200 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2017-06-03 14:20:13 +0200 |
| commit | 1b902346ce502870329bda19d92d317a21cab56e (patch) | |
| tree | 45f7d5702e0320047966a1fdd903917730f25627 /kern/thread.c | |
| parent | 77bb91faa0059b157220ef2e1732bdf89618a375 (diff) | |
kern/thread: improve thread_wakeup robustness
Diffstat (limited to 'kern/thread.c')
| -rw-r--r-- | kern/thread.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kern/thread.c b/kern/thread.c index 17ac10bd..25d81771 100644 --- a/kern/thread.c +++ b/kern/thread.c @@ -2452,6 +2452,10 @@ thread_wakeup(struct thread *thread) struct thread_runq *runq; unsigned long flags; + if ((thread == NULL) || (thread == thread_self())) { + return; + } + /* * There is at most one reference on threads that were never dispatched, * in which case there is no need to lock anything. |