On Sat, Apr 11, 2020 at 01:49:43PM +0800, Shengjiu Wang wrote: > > > diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c > > > index b15946e03380..5cf0468ce6e3 100644 > > > --- a/sound/soc/fsl/fsl_asrc_dma.c > > > +++ b/sound/soc/fsl/fsl_asrc_dma.c > > > > > @@ -311,11 +311,12 @@ static int fsl_asrc_dma_startup(struct snd_soc_component *component, > > > return ret; > > > } > > > > > > - pair = kzalloc(sizeof(struct fsl_asrc_pair), GFP_KERNEL); > > > + pair = kzalloc(sizeof(struct fsl_asrc_pair) + PAIR_PRIVAT_SIZE, GFP_KERNEL); > > > > If we only use the PAIR_PRIVATE_SIZE here, maybe we can put the > > define in this file too, rather than in the header file. > > > > And could fit 80 characters: > > > > + pair = kzalloc(sizeof(*pair) + PAIR_PRIVAT_SIZE, GFP_KERNEL); > I will use a function pointer > int (*get_pair_priv_size)(void) Since it's the size of pair or cts structure, could be just a size_t variable?