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| author | Todd Poynor <toddpoynor@google.com> | 2013-03-13 17:35:08 -0700 |
|---|---|---|
| committer | Todd Poynor <toddpoynor@google.com> | 2013-03-13 17:35:08 -0700 |
| commit | 1249d25539343d1a7fe361c8d40be7a5df5b0216 (patch) | |
| tree | 770c9a33604bb00c62f44d780aefab27e4eb9379 /kernel/posix-timers.c | |
| parent | 4aad13d07babf68c1d0d37ff1e5f797573c4fd2a (diff) | |
| parent | 0b203ab4aacdb6e6dfb8c277aa290f0a02428e6f (diff) | |
| download | kernel_samsung_tuna-1249d25539343d1a7fe361c8d40be7a5df5b0216.zip kernel_samsung_tuna-1249d25539343d1a7fe361c8d40be7a5df5b0216.tar.gz kernel_samsung_tuna-1249d25539343d1a7fe361c8d40be7a5df5b0216.tar.bz2 | |
Merge branch 'android-3.0' into android-omap-3.0
Diffstat (limited to 'kernel/posix-timers.c')
| -rw-r--r-- | kernel/posix-timers.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index 4556182..d2da8ad 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -639,6 +639,13 @@ static struct k_itimer *__lock_timer(timer_t timer_id, unsigned long *flags) { struct k_itimer *timr; + /* + * timer_t could be any type >= int and we want to make sure any + * @timer_id outside positive int range fails lookup. + */ + if ((unsigned long long)timer_id > INT_MAX) + return NULL; + rcu_read_lock(); timr = idr_find(&posix_timers_id, (int)timer_id); if (timr) { |