diff options
| author |   Zhengyuan Liu <liuzhengyuan@kylinos.cn> | 2019-06-12 14:14:45 +0800 |
|---|---|---|
| committer |   Mike Snitzer <snitzer@redhat.com> | 2019-07-09 14:08:40 -0400 |
| commit | 9c81c99b242f1241e18573d1ce29f7479c168e38 (patch) | |
| tree | d1101ca89132efca5d6d64e10389c602e2f36483 /drivers/md/dm-crypt.c | |
| parent | dm integrity: always set version on superblock update (diff) | |
| download | linux-dev-9c81c99b242f1241e18573d1ce29f7479c168e38.tar.xz linux-dev-9c81c99b242f1241e18573d1ce29f7479c168e38.zip | |
dm crypt: use struct_size() when allocating encryption context
Use struct_size() to avoid open-coded equivalent that is prone to a type
mistake.
Signed-off-by: Zhengyuan Liu <liuzhengyuan@kylinos.cn>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md/dm-crypt.c')
| -rw-r--r-- | drivers/md/dm-crypt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 1b16d34bb785..2587e94b0511 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; |