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| author | Stephen Boyd <sboyd@codeaurora.org> | 2011-11-07 19:48:26 -0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-11-23 18:49:23 +0100 |
| commit | fb16b8cf0b66386134b09e7b8b7056450272d159 (patch) | |
| tree | 269b803c19c57152b8551410c73bb18a0cf71d0d /kernel/timer.c | |
| parent | b84d435cc228e87951f3bbabf6cc4a5f25d5fb16 (diff) | |
| download | linux-fb16b8cf0b66386134b09e7b8b7056450272d159.tar.gz linux-fb16b8cf0b66386134b09e7b8b7056450272d159.tar.bz2 linux-fb16b8cf0b66386134b09e7b8b7056450272d159.zip | |
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.c | 9 |
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; |