---

yaml --- r: 263654 b: refs/heads/master c: 6af7e47 h: refs/heads/master v: v3
git-mirror · Aug 10, 2011 · afe98a4 · afe98a4
1 parent 908112e
commit afe98a4
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ea7802f630d356acaf66b3c0b28c00a945fc35dc
+refs/heads/master: 6af7e471e5a7746b8024d70b4363d3dfe41d36b8
diff --git a/trunk/kernel/time/alarmtimer.c b/trunk/kernel/time/alarmtimer.c
@@ -481,6 +481,15 @@ static int alarm_timer_set(struct k_itimer *timr, int flags,
 	if (!rtcdev)
 		return -ENOTSUPP;
 
+	/*
+	 * XXX HACK! Currently we can DOS a system if the interval
+	 * period on alarmtimers is too small. Cap the interval here
+	 * to 100us and solve this properly in a future patch! -jstultz
+	 */
+	if ((new_setting->it_interval.tv_sec == 0) &&
+			(new_setting->it_interval.tv_nsec < 100000))
+		new_setting->it_interval.tv_nsec = 100000;
+
 	if (old_setting)
 		alarm_timer_get(timr, old_setting);