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authorStephen Boyd <sboyd@codeaurora.org>2011-11-07 19:48:26 -0800
committerThomas Gleixner <tglx@linutronix.de>2011-11-23 18:49:23 +0100
commitfb16b8cf0b66386134b09e7b8b7056450272d159 (patch)
tree269b803c19c57152b8551410c73bb18a0cf71d0d /kernel/timer.c
parentb84d435cc228e87951f3bbabf6cc4a5f25d5fb16 (diff)
timer: Setup uninitialized timer with a stub callback
Remove the WARN_ON() in timer_fixup_activate() as we now get the debugobjects printout in the debugobjects activate check. We also assign a dummy timer callback so that if the timer is actually set to fire we don't oops. [ tglx@linutronix.de: Split out the debugobjects vs. the timer change ] Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Cc: Christine Chan <cschan@codeaurora.org> Cc: John Stultz <john.stultz@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/r/1320724108-20788-2-git-send-email-sboyd@codeaurora.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/timer.c')
-rw-r--r--kernel/timer.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/timer.c b/kernel/timer.c
index dbaa62422b13..317087d5d5fc 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -427,6 +427,12 @@ static int timer_fixup_init(void *addr, enum debug_obj_state state)
}
}
+/* Stub timer callback for improperly used timers. */
+static void stub_timer(unsigned long data)
+{
+ WARN_ON(1);
+}
+
/*
* fixup_activate is called when:
* - an active object is activated
@@ -450,7 +456,8 @@ static int timer_fixup_activate(void *addr, enum debug_obj_state state)
debug_object_activate(timer, &timer_debug_descr);
return 0;
} else {
- WARN_ON_ONCE(1);
+ setup_timer(timer, stub_timer, 0);
+ return 1;
}
return 0;