From 9912fb915788da0ef3059f78ab6b88e3d286d25c Mon Sep 17 00:00:00 2001 From: Juerg Haefliger Date: Wed, 24 Sep 2025 16:51:11 +0200 Subject: [PATCH] staging: vc-sm-cma: Fix field-spanning write warning Replace one-element array with flexible-array member to fix: [ 11.725017] ------------[ cut here ]------------ [ 11.725038] memcpy: detected field-spanning write (size 4) of single field "hdr->body" at drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c:130 (size 0) [ 11.725113] WARNING: CPU: 3 PID: 455 at drivers/staging/vc04_services/vc-sm-cma/vc_sm_cma_vchi.c:130 vc_vchi_cmd_create+0x1a8/0x1d0 [vc_sm_cma] Signed-off-by: Juerg Haefliger --- drivers/staging/vc04_services/vc-sm-cma/vc_sm_defs.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/vc04_services/vc-sm-cma/vc_sm_defs.h b/drivers/staging/vc04_services/vc-sm-cma/vc_sm_defs.h index 4e6354000dfdc2..8b6a395c640dab 100644 --- a/drivers/staging/vc04_services/vc-sm-cma/vc_sm_defs.h +++ b/drivers/staging/vc04_services/vc-sm-cma/vc_sm_defs.h @@ -92,8 +92,7 @@ enum vc_sm_alloc_type_t { struct vc_sm_msg_hdr_t { u32 type; u32 trans_id; - u8 body[0]; - + u8 body[]; }; /* Request to allocate memory (HOST->VC) */