From: Gustavo A. R. Silva Date: Mon, 29 Aug 2022 21:50:59 +0000 (-0500) Subject: can: etas_es58x: Replace zero-length array with DECLARE_FLEX_ARRAY() helper X-Git-Tag: v6.1-rc1~170^2~209^2~5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6fc5d84e6d85dcb3af6ba32c45fc65304946f134;p=thirdparty%2Fkernel%2Flinux.git can: etas_es58x: Replace zero-length array with DECLARE_FLEX_ARRAY() helper 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 Acked-by: Vincent Mailhol Reviewed-by: Kees Cook Link: https://lore.kernel.org/all/Yw00w6XRcq7B6ub6@work Signed-off-by: Marc Kleine-Budde --- diff --git a/drivers/net/can/usb/etas_es58x/es58x_core.h b/drivers/net/can/usb/etas_es58x/es58x_core.h index d769bdf740b7d..640fe0a1df636 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); }; /**