diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/ringbuf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/bpf/ringbuf.c b/kernel/bpf/ringbuf.c index 99487019a8a8..3f1013d80544 100644 --- a/kernel/bpf/ringbuf.c +++ b/kernel/bpf/ringbuf.c @@ -321,7 +321,7 @@ static unsigned long ringbuf_avail_data_sz(struct bpf_ringbuf *rb) if (unlikely(rb->overwrite_mode)) { over_pos = smp_load_acquire(&rb->overwrite_pos); prod_pos = smp_load_acquire(&rb->producer_pos); - return prod_pos - max(cons_pos, over_pos); + return min(prod_pos - cons_pos, prod_pos - over_pos); } else { prod_pos = smp_load_acquire(&rb->producer_pos); return prod_pos - cons_pos; |