diff options
Diffstat (limited to 'kernel/bpf/tnum.c')
| -rw-r--r-- | kernel/bpf/tnum.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/bpf/tnum.c b/kernel/bpf/tnum.c index 9dbc31b25e3d..fa353c5d550f 100644 --- a/kernel/bpf/tnum.c +++ b/kernel/bpf/tnum.c @@ -83,6 +83,11 @@ struct tnum tnum_sub(struct tnum a, struct tnum b) return TNUM(dv & ~mu, mu); } +struct tnum tnum_neg(struct tnum a) +{ + return tnum_sub(TNUM(0, 0), a); +} + struct tnum tnum_and(struct tnum a, struct tnum b) { u64 alpha, beta, v; |