diff options
Diffstat (limited to 'linux/timer.c')
| -rw-r--r-- | linux/timer.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/linux/timer.c b/linux/timer.c index eb937863..7d519a4d 100644 --- a/linux/timer.c +++ b/linux/timer.c @@ -93,9 +93,11 @@ do { \ \ BUG_ON(_i >= (h)->used); \ (h)->used--; \ - heap_swap(h, _i, (h)->used); \ - heap_sift_down(h, _i, cmp); \ - heap_sift(h, _i, cmp); \ + if ((_i) < (h)->used) { \ + heap_swap(h, _i, (h)->used); \ + heap_sift_down(h, _i, cmp); \ + heap_sift(h, _i, cmp); \ + } \ } while (0) #define heap_pop(h, d, cmp) \ |