keys: encrypted-type: Replace zero-length array with flexible-array

There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://github.com/KSPP/linux/issues/21

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

diff --git a/include/keys/encrypted-type.h b/include/keys/encrypted-type.h
index 9e9ccb20d586417203ed1da801db9227e173b219..38afb341c3f2b8d80ec6a0d0fb7354ca798717fd 100644 (file)
--- a/include/keys/encrypted-type.h
+++ b/include/keys/encrypted-type.h
@@ -27,7 +27,7 @@ struct encrypted_key_payload {
        unsigned short payload_datalen;         /* payload data length */
        unsigned short encrypted_key_format;    /* encrypted key format */
        u8 *decrypted_data;     /* decrypted data */
-       u8 payload_data[0];     /* payload data + datablob + hmac */
+       u8 payload_data[];      /* payload data + datablob + hmac */
 };
 
 extern struct key_type key_type_encrypted;