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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-17 02:25:44 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-17 02:25:44 -0300 |
| commit | 5b465b045af3a649a89b8a5c5bfdece20ffc0345 (patch) | |
| tree | 934f851eaec863864e15fa7ef9514a445a9e88ff /kernel/time/timekeeping_debug.c | |
| parent | 0520a938e11c34a5ffc422b9316b85e294b0fbb2 (diff) | |
Linux-libre 4.7.4-gnupck-4.7.4-gnu
Diffstat (limited to 'kernel/time/timekeeping_debug.c')
| -rw-r--r-- | kernel/time/timekeeping_debug.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/time/timekeeping_debug.c b/kernel/time/timekeeping_debug.c index f6bd65236..107310a6f 100644 --- a/kernel/time/timekeeping_debug.c +++ b/kernel/time/timekeeping_debug.c @@ -23,7 +23,9 @@ #include "timekeeping_internal.h" -static unsigned int sleep_time_bin[32] = {0}; +#define NUM_BINS 32 + +static unsigned int sleep_time_bin[NUM_BINS] = {0}; static int tk_debug_show_sleep_time(struct seq_file *s, void *data) { @@ -69,6 +71,9 @@ late_initcall(tk_debug_sleep_time_init); void tk_debug_account_sleep_time(struct timespec64 *t) { - sleep_time_bin[fls(t->tv_sec)]++; + /* Cap bin index so we don't overflow the array */ + int bin = min(fls(t->tv_sec), NUM_BINS-1); + + sleep_time_bin[bin]++; } |