[PATCH] uapi: wireless: Replace zero-length array with flexible-array member

[Gustavo A. R. Silva]

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://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays

Link: https://github.com/KSPP/linux/issues/78
Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>
---
 include/uapi/linux/wireless.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/uapi/linux/wireless.h b/include/uapi/linux/wireless.h
index 08967b3f19c8..3c2ad5fae17f 100644
--- a/include/uapi/linux/wireless.h
+++ b/include/uapi/linux/wireless.h
@@ -835,7 +835,7 @@ struct iw_encode_ext {
 			       * individual keys */
 	__u16		alg; /* IW_ENCODE_ALG_* */
 	__u16		key_len;
-	__u8		key[0];
+	__u8		key[];
 };
 
 /* SIOCSIWMLME data */
-- 
2.27.0