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| author |   Russell King <rmk+kernel@armlinux.org.uk> | 2016-11-01 09:17:57 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-11-01 09:17:57 +0000 |
| commit | 9902aa4728fe9128ea45f1a772e2238d64d8cdc5 (patch) | |
| tree | cca30efb3ad2126fcb10aa6349ed799a5656e851 /kernel/time/timekeeping_debug.c | |
| parent | ARM: dts: am335x-boneblack: Add HDMI audio support (diff) | |
| parent | drm/i2c: tda998x: mali-dp: hdlcd: refactor connector registration (diff) | |
Merge branch 'drm-tda998x-mali' into drm-tda998x-devel
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 f6bd65236712..107310a6f36f 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]++; } |