Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> wrote: > In most (likely all) cases, INIT_HAL_MSG() is called before > PREPARE_HAL_BUF(). > In such cases calling memset() is useless because: > msg_body.header.len = sizeof(msg_body) > > So, instead of writing twice the memory, we just have a sanity check to > make sure that some potential trailing memory is zeroed. > It even gives the opportunity to see that by itself and optimize it away. > > Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> > Acked-by: Loic Poulain <loic.poulain@xxxxxxxxxx> > Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. 4a51e66fe96d wifi: wcn36xx: Slightly optimize PREPARE_HAL_BUF() -- https://patchwork.kernel.org/project/linux-wireless/patch/7d8ab7fee45222cdbaf80c507525f2d3941587c1.1675371372.git.christophe.jaillet@xxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
