diff options
| -rw-r--r-- | fs/bcachefs/util.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/bcachefs/util.c b/fs/bcachefs/util.c index 5cfaed5b305c..4df96ef0bcd0 100644 --- a/fs/bcachefs/util.c +++ b/fs/bcachefs/util.c @@ -526,15 +526,17 @@ void bch2_bio_map(struct bio *bio, void *base) BUG_ON(!bio->bi_iter.bi_size); BUG_ON(bio->bi_vcnt); + BUG_ON(!bio->bi_max_vecs); bv->bv_offset = base ? offset_in_page(base) : 0; goto start; for (; size; bio->bi_vcnt++, bv++) { + BUG_ON(bio->bi_vcnt >= bio->bi_max_vecs); + bv->bv_offset = 0; start: bv->bv_len = min_t(size_t, PAGE_SIZE - bv->bv_offset, size); - BUG_ON(bio->bi_vcnt >= bio->bi_max_vecs); if (base) { bv->bv_page = is_vmalloc_addr(base) ? vmalloc_to_page(base) |