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Date: Thu, 15 Sep 2022 10:20:01 +0200 From: Marc Kleine-Budde <mkl@...gutronix.de> To: netdev@...r.kernel.org Cc: davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org, kernel@...gutronix.de, "Gustavo A. R. Silva" <gustavoars@...nel.org>, Vincent Mailhol <mailhol.vincent@...adoo.fr>, Kees Cook <keescook@...omium.org>, Marc Kleine-Budde <mkl@...gutronix.de> Subject: [PATCH net-next 11/23] can: etas_es58x: Replace zero-length array with DECLARE_FLEX_ARRAY() helper From: "Gustavo A. R. Silva" <gustavoars@...nel.org> Zero-length arrays are deprecated and we are moving towards adopting C99 flexible-array members, instead. So, replace zero-length array declaration in union es58x_urb_cmd with the new DECLARE_FLEX_ARRAY() helper macro. This helper allows for a flexible-array member in a union. Link: https://github.com/KSPP/linux/issues/193 Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org> Acked-by: Vincent Mailhol <mailhol.vincent@...adoo.fr> Reviewed-by: Kees Cook <keescook@...omium.org> Link: https://lore.kernel.org/all/Yw00w6XRcq7B6ub6@work Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de> --- drivers/net/can/usb/etas_es58x/es58x_core.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/usb/etas_es58x/es58x_core.h b/drivers/net/can/usb/etas_es58x/es58x_core.h index d769bdf740b7..640fe0a1df63 100644 --- a/drivers/net/can/usb/etas_es58x/es58x_core.h +++ b/drivers/net/can/usb/etas_es58x/es58x_core.h @@ -222,7 +222,7 @@ union es58x_urb_cmd { u8 cmd_type; u8 cmd_id; } __packed; - u8 raw_cmd[0]; + DECLARE_FLEX_ARRAY(u8, raw_cmd); }; /** -- 2.35.1
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