Zero-length arrays are deprecated and we are moving towards adopting C99 flexible-array members, instead. So, replace zero-length arrays declarations in anonymous union with the new DECLARE_FLEX_ARRAY() helper macro. This helper allows for flexible-array members in unions. Link: https://github.com/KSPP/linux/issues/193 Link: https://github.com/KSPP/linux/issues/211 Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx> --- include/sound/sof/control.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/sound/sof/control.h b/include/sound/sof/control.h index 7379a33d7247..983d374fe511 100644 --- a/include/sound/sof/control.h +++ b/include/sound/sof/control.h @@ -117,11 +117,11 @@ struct sof_ipc_ctrl_data { /* control data - add new types if needed */ union { /* channel values can be used by volume type controls */ - struct sof_ipc_ctrl_value_chan chanv[0]; + DECLARE_FLEX_ARRAY(struct sof_ipc_ctrl_value_chan, chanv); /* component values used by routing controls like mux, mixer */ - struct sof_ipc_ctrl_value_comp compv[0]; + DECLARE_FLEX_ARRAY(struct sof_ipc_ctrl_value_comp, compv); /* data can be used by binary controls */ - struct sof_abi_hdr data[0]; + DECLARE_FLEX_ARRAY(struct sof_abi_hdr, data); }; } __packed; -- 2.34.1
