diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 08:04:07 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 08:04:07 +0200 |
| commit | fbc1ec2efe665c07c8c71f9f19edb018f7984107 (patch) | |
| tree | e7df9dac12c640a83ce8859300e061f1f8913ecd /kernel/time/timekeeping_debug.c | |
| parent | 02baff325462cc7e81241b21959c5e62e7ca575e (diff) | |
| parent | c6935931c1894ff857616ff8549b61236a19148f (diff) | |
Merge 4.8-rc5 into char-misc-next
We want the fixes in here for merging and testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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]++; } |