* [PATCH][next] net: libwx: Replace zero-length array with flexible-array member
@ 2023-05-15 19:23 Gustavo A. R. Silva
2023-05-16 8:35 ` Simon Horman
2023-05-16 18:19 ` Kees Cook
0 siblings, 2 replies; 3+ messages in thread
From: Gustavo A. R. Silva @ 2023-05-15 19:23 UTC (permalink / raw)
To: Jiawen Wu, Mengyuan Lou, David S. Miller, Eric Dumazet,
Jakub Kicinski, Paolo Abeni
Cc: netdev, linux-kernel, Gustavo A. R. Silva, linux-hardening
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH][next] net: libwx: Replace zero-length array with flexible-array member
2023-05-15 19:23 [PATCH][next] net: libwx: Replace zero-length array with flexible-array member Gustavo A. R. Silva
@ 2023-05-16 8:35 ` Simon Horman
2023-05-16 18:19 ` Kees Cook
1 sibling, 0 replies; 3+ messages in thread
From: Simon Horman @ 2023-05-16 8:35 UTC (permalink / raw)
To: Gustavo A. R. Silva
Cc: Jiawen Wu, Mengyuan Lou, David S. Miller, Eric Dumazet,
Jakub Kicinski, Paolo Abeni, netdev, linux-kernel,
linux-hardening
On Mon, May 15, 2023 at 01:23:46PM -0600, Gustavo A. R. Silva wrote:
> 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>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH][next] net: libwx: Replace zero-length array with flexible-array member
2023-05-15 19:23 [PATCH][next] net: libwx: Replace zero-length array with flexible-array member Gustavo A. R. Silva
2023-05-16 8:35 ` Simon Horman
@ 2023-05-16 18:19 ` Kees Cook
1 sibling, 0 replies; 3+ messages in thread
From: Kees Cook @ 2023-05-16 18:19 UTC (permalink / raw)
To: Gustavo A. R. Silva
Cc: Jiawen Wu, Mengyuan Lou, David S. Miller, Eric Dumazet,
Jakub Kicinski, Paolo Abeni, netdev, linux-kernel,
linux-hardening
On Mon, May 15, 2023 at 01:23:46PM -0600, Gustavo A. R. Silva wrote:
> 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>
Reviewed-by: Kees Cook <keescook@chromium.org>
--
Kees Cook
^ permalink raw reply [flat|nested] 3+ messages in thread
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