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authorDavid S. Miller <davem@davemloft.net>2016-08-30 04:54:02 (GMT)
committerDavid S. Miller <davem@davemloft.net>2016-08-30 04:54:02 (GMT)
commit6abdd5f5935fff978f950561f3c5175eb34dad73 (patch)
tree6f3ed3a4f4af9e74436ec9355ebf8201357f1c40 /kernel/time/timekeeping_debug.c
parent0b498a52778368ff501557d68c7b50878ab1701e (diff)
parente4e98c460ad38c78498622a164fd5ef09a2dc9cb (diff)
downloadlinux-6abdd5f5935fff978f950561f3c5175eb34dad73.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
All three conflicts were cases of simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/time/timekeeping_debug.c')
-rw-r--r--kernel/time/timekeeping_debug.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/time/timekeeping_debug.c b/kernel/time/timekeeping_debug.c
index f6bd652..107310a 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]++;
}