Module: xenomai-forge
Branch: next
Commit: e00066d259878de2ddbaf60ae3848acb10af9f1a
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=e00066d259878de2ddbaf60ae3848acb10af9f1a
Author: Philippe Gerum <r...@xenomai.org>
Date: Sun Mar 2 17:53:29 2014 +0100
cobalt/posix/timer: catch invalid timer id
---
kernel/cobalt/posix/timer.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/cobalt/posix/timer.c b/kernel/cobalt/posix/timer.c
index cbb9938..f32deb8 100644
--- a/kernel/cobalt/posix/timer.c
+++ b/kernel/cobalt/posix/timer.c
@@ -117,6 +117,9 @@ static inline void timer_free_id(struct cobalt_process *cc,
int id)
struct cobalt_timer *
cobalt_timer_by_id(struct cobalt_process *cc, timer_t timer_id)
{
+ if (timer_id < 0 || timer_id >= CONFIG_XENO_OPT_NRTIMERS)
+ return NULL;
+
if (test_bit(timer_id, cc->timers_map))
return NULL;
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