| Message ID | 1560320086-14243-1-git-send-email-liuzhengyuan@kylinos.cn (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Delegated to: | Mike Snitzer |
| Headers | show |
| Series | dm-crypt: use struct_size() in kzalloc() | expand |
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 1b16d34..2587e94 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -2699,7 +2699,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) return -EINVAL; } - cc = kzalloc(sizeof(*cc) + key_size * sizeof(u8), GFP_KERNEL); + cc = kzalloc(struct_size(cc, key, key_size), GFP_KERNEL); if (!cc) { ti->error = "Cannot allocate encryption context"; return -ENOMEM;
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-crypt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)