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@xxxxxxxxxx>
---
drivers/md/dm-crypt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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;
--
2.7.4
--
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