On Wed, 2025-07-09 at 11:04 +0100, Matt Coster wrote: > The helpers for dealing with flexible structures exist, so let's use them. > > Signed-off-by: Matt Coster <matt.cos...@imgtec.com>
Reviewed-by: Alessio Belle <alessio.be...@imgtec.com> Thanks, Alessio > --- > drivers/gpu/drm/imagination/pvr_queue.c | 11 +++++------ > 1 file changed, 5 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/imagination/pvr_queue.c > b/drivers/gpu/drm/imagination/pvr_queue.c > index > 5a41ee79fed646a86344cd16e78efdb45ff02e43..094a854576a5a63f56e56acdebf01bdf542ae4d5 > 100644 > --- a/drivers/gpu/drm/imagination/pvr_queue.c > +++ b/drivers/gpu/drm/imagination/pvr_queue.c > @@ -3,6 +3,7 @@ > > #include <drm/drm_managed.h> > #include <drm/gpu_scheduler.h> > +#include <linux/overflow.h> > > #include "pvr_cccb.h" > #include "pvr_context.h" > @@ -35,9 +36,8 @@ static int get_xfer_ctx_state_size(struct pvr_device > *pvr_dev) > return err; > } > > - return sizeof(struct rogue_fwif_frag_ctx_state) + > - (num_isp_store_registers * > - sizeof(((struct rogue_fwif_frag_ctx_state > *)0)->frag_reg_isp_store[0])); > + return struct_size_t(struct rogue_fwif_frag_ctx_state, > + frag_reg_isp_store, num_isp_store_registers); > } > > static int get_frag_ctx_state_size(struct pvr_device *pvr_dev) > @@ -65,9 +65,8 @@ static int get_frag_ctx_state_size(struct pvr_device > *pvr_dev) > return err; > } > > - return sizeof(struct rogue_fwif_frag_ctx_state) + > - (num_isp_store_registers * > - sizeof(((struct rogue_fwif_frag_ctx_state > *)0)->frag_reg_isp_store[0])); > + return struct_size_t(struct rogue_fwif_frag_ctx_state, > + frag_reg_isp_store, num_isp_store_registers); > } > > static int get_ctx_state_size(struct pvr_device *pvr_dev, enum > drm_pvr_job_type type) >