diff options
| -rw-r--r-- | block/bio.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/block/bio.c b/block/bio.c index 683cbb40f051..4bcdcd3f63f4 100644 --- a/block/bio.c +++ b/block/bio.c @@ -1120,8 +1120,7 @@ static struct bio_map_data *bio_alloc_map_data(struct iov_iter *data, if (data->nr_segs > UIO_MAXIOV) return NULL; - bmd = kmalloc(sizeof(struct bio_map_data) + - sizeof(struct iovec) * data->nr_segs, gfp_mask); + bmd = kmalloc(struct_size(bmd, iov, data->nr_segs), gfp_mask); if (!bmd) return NULL; memcpy(bmd->iov, data->iov, sizeof(struct iovec) * data->nr_segs); |