| Message ID | 1560320086-14243-2-git-send-email-liuzhengyuan@kylinos.cn (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Delegated to: | Mike Snitzer |
| Headers | show |
| Series | dm-log: use struct_size() to calculate the size of struct | expand |
diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c index 9ea2b02..cda6363 100644 --- a/drivers/md/dm-log-writes.c +++ b/drivers/md/dm-log-writes.c @@ -680,7 +680,7 @@ static int log_writes_map(struct dm_target *ti, struct bio *bio) if (discard_bio) alloc_size = sizeof(struct pending_block); else - alloc_size = sizeof(struct pending_block) + sizeof(struct bio_vec) * bio_segments(bio); + alloc_size = struct_size(block, vecs, bio_segments(bio)); block = kzalloc(alloc_size, GFP_NOIO); if (!block) {
As Gustavo said in other patches doing the same replace, we can now use the new struct_size() helper to avoid leaving these open-coded and prone to type mistake. Signed-off-by: Zhengyuan Liu <liuzhengyuan@kylinos.cn> --- drivers/md/dm-log-writes.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)