[PATCH v2][next] IB/hfi1: Avoid -Wflex-array-member-not-at-end warning

["Gustavo A. R. Silva" <gustavoars@kernel.org>]

-Wflex-array-member-not-at-end was introduced in GCC-14, and we are
getting ready to enable it, globally.

Remove unused flex-array member `class_data` from
`struct opa_mad_notice_attr`.

Fix the following warning:

drivers/infiniband/hw/hfi1/mad.c:23:36: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
Changes in v2:
 - Remove unused flexible array. (Jason)

v1:
 - Link: https://lore.kernel.org/linux-hardening/Z-WgwsCYIXaBxnvs@kspp/

 drivers/infiniband/hw/hfi1/mad.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/infiniband/hw/hfi1/mad.h b/drivers/infiniband/hw/hfi1/mad.h
index b6e3141253c4..d6dde762921a 100644
--- a/drivers/infiniband/hw/hfi1/mad.h
+++ b/drivers/infiniband/hw/hfi1/mad.h
@@ -124,7 +124,6 @@ struct opa_mad_notice_attr {
 		} __packed ntc_2048;
 
 	};
-	u8	class_data[];
 };
 
 #define IB_VLARB_LOWPRI_0_31    1
-- 
2.43.0