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From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
To: Jiawen Wu <jiawenwu@trustnetic.com>,
	Mengyuan Lou <mengyuanlou@net-swift.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	linux-hardening@vger.kernel.org
Subject: [PATCH][next] net: libwx: Replace zero-length array with flexible-array member
Date: Mon, 15 May 2023 13:23:46 -0600	[thread overview]
Message-ID: <ZGKGwtsobVZecWa4@work> (raw)

Zero-length arrays as fake flexible arrays are deprecated, and we are
moving towards adopting C99 flexible-array members instead.

Transform zero-length array into flexible-array member in struct
wx_q_vector.

Link: https://github.com/KSPP/linux/issues/21
Link: https://github.com/KSPP/linux/issues/286
Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
 drivers/net/ethernet/wangxun/libwx/wx_type.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/wangxun/libwx/wx_type.h b/drivers/net/ethernet/wangxun/libwx/wx_type.h
index 32f952d93009..cbe7f184b50e 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_type.h
+++ b/drivers/net/ethernet/wangxun/libwx/wx_type.h
@@ -598,7 +598,7 @@ struct wx_q_vector {
 	char name[IFNAMSIZ + 17];
 
 	/* for dynamic allocation of rings associated with this q_vector */
-	struct wx_ring ring[0] ____cacheline_internodealigned_in_smp;
+	struct wx_ring ring[] ____cacheline_internodealigned_in_smp;
 };
 
 enum wx_isb_idx {
-- 
2.34.1


             reply	other threads:[~2023-05-15 19:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-15 19:23 Gustavo A. R. Silva [this message]
2023-05-16  8:35 ` [PATCH][next] net: libwx: Replace zero-length array with flexible-array member Simon Horman
2023-05-16 18:19 ` Kees Cook
2023-05-18  4:40 ` patchwork-bot+netdevbpf

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