diff options
| -rw-r--r-- | fs/bcachefs/bkey.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/bcachefs/bkey.h b/fs/bcachefs/bkey.h index 6a637a408a9f..8e9405f89537 100644 --- a/fs/bcachefs/bkey.h +++ b/fs/bcachefs/bkey.h @@ -50,12 +50,15 @@ static inline size_t bkey_val_bytes(const struct bkey *k) static inline void set_bkey_val_u64s(struct bkey *k, unsigned val_u64s) { - k->u64s = BKEY_U64s + val_u64s; + unsigned u64s = BKEY_U64s + val_u64s; + + BUG_ON(u64s > U8_MAX); + k->u64s = u64s; } static inline void set_bkey_val_bytes(struct bkey *k, unsigned bytes) { - k->u64s = BKEY_U64s + DIV_ROUND_UP(bytes, sizeof(u64)); + set_bkey_val_u64s(k, DIV_ROUND_UP(bytes, sizeof(u64))); } #define bkey_val_end(_k) ((void *) (((u64 *) (_k).v) + bkey_val_u64s((_k).k))) |