treewide: Replace zero-length arrays with flexible-array members

There is a regular need in the kernel to provide a way to declare
having a dynamically sized set of trailing elements in a structure.
Kernel code should always use “flexible array members”[1] for these
cases. The older style of one-element or zero-length arrays should
no longer be used[2].

This code was transformed with the help of Coccinelle:
(next-20220214$ spatch --jobs $(getconf _NPROCESSORS_ONLN) --sp-file script.cocci --include-headers --dir . > output.patch)

@@
identifier S, member, array;
type T1, T2;
@@

struct S {
  ...
  T1 member;
  T2 array[
- 0
  ];
};

UAPI and wireless changes were intentionally excluded from this patch
and will be sent out separately.

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays

Link: https://github.com/KSPP/linux/issues/78
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

27 files changed, 51 insertions, 51 deletions

diff --git a/drivers/crypto/caam/pdb.h b/drivers/crypto/caam/pdb.h
index 8ccc22075043..4b1bcf53f7ac 100644
--- a/drivers/crypto/caam/pdb.h
+++ b/drivers/crypto/caam/pdb.h
@@ -144,7 +144,7 @@ struct ipsec_encap_pdb {
 	};
 	u32 spi;
 	u32 ip_hdr_len;
-	u32 ip_hdr[0];
+	u32 ip_hdr[];
 };
 
 /**
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
index 1a1edae67e4e..3acee0060e23 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c
@@ -51,7 +51,7 @@ struct __guc_ads_blob {
 	struct guc_gt_system_info system_info;
 	struct guc_engine_usage engine_usage;
 	/* From here on, location is dynamic! Refer to above diagram. */
-	struct guc_mmio_reg regset[0];
+	struct guc_mmio_reg regset[];
 } __packed;
 
 static u32 guc_ads_regset_size(struct intel_guc *guc)
diff --git a/drivers/gpu/drm/nouveau/include/nvfw/hs.h b/drivers/gpu/drm/nouveau/include/nvfw/hs.h
index 64d0d32200c2..b53bbc4cd130 100644
--- a/drivers/gpu/drm/nouveau/include/nvfw/hs.h
+++ b/drivers/gpu/drm/nouveau/include/nvfw/hs.h
@@ -23,7 +23,7 @@ struct nvfw_hs_load_header {
 	u32 data_dma_base;
 	u32 data_size;
 	u32 num_apps;
-	u32 apps[0];
+	u32 apps[];
 };
 
 const struct nvfw_hs_load_header *
diff --git a/drivers/hwtracing/coresight/coresight-config.h b/drivers/hwtracing/coresight/coresight-config.h
index 9bd44b940add..2e1670523461 100644
--- a/drivers/hwtracing/coresight/coresight-config.h
+++ b/drivers/hwtracing/coresight/coresight-config.h
@@ -231,7 +231,7 @@ struct cscfg_config_csdev {
 	bool enabled;
 	struct list_head node;
 	int nr_feat;
-	struct cscfg_feature_csdev *feats_csdev[0];
+	struct cscfg_feature_csdev *feats_csdev[];
 };
 
 /**
diff --git a/drivers/misc/bcm-vk/bcm_vk.h b/drivers/misc/bcm-vk/bcm_vk.h
index a1338f375589..25d51222eedf 100644
--- a/drivers/misc/bcm-vk/bcm_vk.h
+++ b/drivers/misc/bcm-vk/bcm_vk.h
@@ -311,7 +311,7 @@ struct bcm_vk_peer_log {
 	u32 wr_idx;
 	u32 buf_size;
 	u32 mask;
-	char data[0];
+	char data[];
 };
 
 /* max buf size allowed */
diff --git a/drivers/misc/habanalabs/include/common/cpucp_if.h b/drivers/misc/habanalabs/include/common/cpucp_if.h
index 737c39f33f05..f9c4acc9bf5a 100644
--- a/drivers/misc/habanalabs/include/common/cpucp_if.h
+++ b/drivers/misc/habanalabs/include/common/cpucp_if.h
@@ -540,19 +540,19 @@ struct cpucp_packet {
 struct cpucp_unmask_irq_arr_packet {
 	struct cpucp_packet cpucp_pkt;
 	__le32 length;
-	__le32 irqs[0];
+	__le32 irqs[];
 };
 
 struct cpucp_nic_status_packet {
 	struct cpucp_packet cpucp_pkt;
 	__le32 length;
-	__le32 data[0];
+	__le32 data[];
 };
 
 struct cpucp_array_data_packet {
 	struct cpucp_packet cpucp_pkt;
 	__le32 length;
-	__le32 data[0];
+	__le32 data[];
 };
 
 enum cpucp_packet_rc {
diff --git a/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h b/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h
index 6e097ace2e96..66fc083a7c6a 100644
--- a/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h
+++ b/drivers/misc/habanalabs/include/gaudi/gaudi_packets.h
@@ -54,7 +54,7 @@ struct gaudi_packet {
 	/* The rest of the packet data follows. Use the corresponding
 	 * packet_XXX struct to deference the data, based on packet type
 	 */
-	u8 contents[0];
+	u8 contents[];
 };
 
 struct packet_nop {
@@ -75,7 +75,7 @@ struct packet_wreg32 {
 struct packet_wreg_bulk {
 	__le32 size64;
 	__le32 ctl;
-	__le64 values[0]; /* data starts here */
+	__le64 values[]; /* data starts here */
 };
 
 #define GAUDI_PKT_LONG_CTL_OP_SHIFT		20
diff --git a/drivers/misc/habanalabs/include/goya/goya_packets.h b/drivers/misc/habanalabs/include/goya/goya_packets.h
index ef54bad20509..50ce5175b63a 100644
--- a/drivers/misc/habanalabs/include/goya/goya_packets.h
+++ b/drivers/misc/habanalabs/include/goya/goya_packets.h
@@ -62,7 +62,7 @@ struct goya_packet {
 	/* The rest of the packet data follows. Use the corresponding
 	 * packet_XXX struct to deference the data, based on packet type
 	 */
-	u8 contents[0];
+	u8 contents[];
 };
 
 struct packet_nop {
@@ -86,7 +86,7 @@ struct packet_wreg32 {
 struct packet_wreg_bulk {
 	__le32 size64;
 	__le32 ctl;
-	__le64 values[0]; /* data starts here */
+	__le64 values[]; /* data starts here */
 };
 
 struct packet_msg_long {
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_hw.h b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
index 1514e6a4a3ff..ce5b677e8c2f 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
@@ -881,7 +881,7 @@ struct sgcl_data {
 	u32		bth;
 	u32		ct;
 	u32		cte;
-	struct sgce	sgcl[0];
+	struct sgce	sgcl[];
 };
 
 #define ENETC_CBDR_FMI_MR	BIT(0)
diff --git a/drivers/net/ethernet/i825xx/sun3_82586.h b/drivers/net/ethernet/i825xx/sun3_82586.h
index 79aef681ac85..451cb3d26cb5 100644
--- a/drivers/net/ethernet/i825xx/sun3_82586.h
+++ b/drivers/net/ethernet/i825xx/sun3_82586.h
@@ -250,7 +250,7 @@ struct mcsetup_cmd_struct
   unsigned short cmd_cmd;
   unsigned short cmd_link;
   unsigned short mc_cnt;		/* number of bytes in the MC-List */
-  unsigned char  mc_list[0][6];  	/* pointer to 6 bytes entries */
+  unsigned char  mc_list[][6];  	/* pointer to 6 bytes entries */
 };
 
 /*
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
index 77fd39e2c8db..9b6e587e78b4 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h
@@ -455,7 +455,7 @@ struct npc_coalesced_kpu_prfl {
 	u8 name[NPC_NAME_LEN]; /* KPU Profile name */
 	u64 version; /* KPU firmware/profile version */
 	u8 num_prfl; /* No of NPC profiles. */
-	u16 prfl_sz[0];
+	u16 prfl_sz[];
 };
 
 struct npc_mcam_kex {
@@ -482,7 +482,7 @@ struct npc_kpu_fwdata {
 	 * struct npc_kpu_profile_cam[entries];
 	 * struct npc_kpu_profile_action[entries];
 	 */
-	u8	data[0];
+	u8	data[];
 } __packed;
 
 struct npc_lt_def {
@@ -572,7 +572,7 @@ struct npc_kpu_profile_fwdata {
 	 *  Custom KPU CAM and ACTION configuration entries.
 	 * struct npc_kpu_fwdata kpu[kpus];
 	 */
-	u8	data[0];
+	u8	data[];
 } __packed;
 
 struct rvu_npc_mcam_rule {
diff --git a/drivers/net/ethernet/qlogic/qed/qed_mfw_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_mfw_hsi.h
index b70ee8200e15..6459dd3feb37 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_mfw_hsi.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_mfw_hsi.h
@@ -2470,6 +2470,6 @@ struct nvm_meta_bin_t {
 	u32 version;
 #define NVM_META_BIN_VERSION 1
 	u32 num_options;
-	u32 options[0];
+	u32 options[];
 };
 #endif
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index a4efd5e35158..fce2626e34fa 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -70,7 +70,7 @@ struct davinci_mdio_regs {
 #define USERACCESS_DATA		(0xffff)
 
 		u32	physel;
-	}	user[0];
+	}	user[];
 };
 
 static const struct mdio_platform_data default_pdata = {
diff --git a/drivers/scsi/dpt/dpti_i2o.h b/drivers/scsi/dpt/dpti_i2o.h
index bf0daeeb50a9..e1fbbf55c09d 100644
--- a/drivers/scsi/dpt/dpti_i2o.h
+++ b/drivers/scsi/dpt/dpti_i2o.h
@@ -123,7 +123,7 @@ struct i2o_sys_tbl
 	u32	change_ind;
 	u32	reserved2;
 	u32	reserved3;
-	struct i2o_sys_tbl_entry iops[0];
+	struct i2o_sys_tbl_entry iops[];
 };
 
 /*
diff --git a/drivers/scsi/elx/libefc_sli/sli4.h b/drivers/scsi/elx/libefc_sli/sli4.h
index ee2a9e65a88d..38af166cc786 100644
--- a/drivers/scsi/elx/libefc_sli/sli4.h
+++ b/drivers/scsi/elx/libefc_sli/sli4.h
@@ -609,7 +609,7 @@ struct sli4_rqst_cmn_create_cq_v2 {
 	__le16			cqe_count;
 	__le16			rsvd30;
 	__le32			rsvd32;
-	struct sli4_dmaaddr	page_phys_addr[0];
+	struct sli4_dmaaddr	page_phys_addr[];
 };
 
 enum sli4_create_cqset_e {
@@ -634,7 +634,7 @@ struct sli4_rqst_cmn_create_cq_set_v0 {
 	__le16			num_cq_req;
 	__le16			dw6w1_flags;
 	__le16			eq_id[16];
-	struct sli4_dmaaddr	page_phys_addr[0];
+	struct sli4_dmaaddr	page_phys_addr[];
 };
 
 /* CQE count */
@@ -764,7 +764,7 @@ struct sli4_rqst_cmn_create_mq_ext {
 	__le32			dw7_val;
 	__le32			dw8_flags;
 	__le32			rsvd36;
-	struct sli4_dmaaddr	page_phys_addr[0];
+	struct sli4_dmaaddr	page_phys_addr[];
 };
 
 struct sli4_rsp_cmn_create_mq_ext {
@@ -802,7 +802,7 @@ struct sli4_rqst_cmn_create_cq_v0 {
 	__le32			dw6_flags;
 	__le32			rsvd28;
 	__le32			rsvd32;
-	struct sli4_dmaaddr	page_phys_addr[0];
+	struct sli4_dmaaddr	page_phys_addr[];
 };
 
 enum sli4_create_rq_e {
@@ -887,7 +887,7 @@ struct sli4_rqst_rq_create_v2 {
 	__le16			base_cq_id;
 	__le16			rsvd26;
 	__le32			rsvd42;
-	struct sli4_dmaaddr	page_phys_addr[0];
+	struct sli4_dmaaddr	page_phys_addr[];
 };
 
 struct sli4_rsp_rq_create_v2 {
@@ -3168,7 +3168,7 @@ struct sli4_rqst_cmn_read_object {
 	__le32			read_offset;
 	u8			object_name[104];
 	__le32			host_buffer_descriptor_count;
-	struct sli4_bde		host_buffer_descriptor[0];
+	struct sli4_bde		host_buffer_descriptor[];
 };
 
 #define RSP_COM_READ_OBJ_EOF		0x80000000
@@ -3191,7 +3191,7 @@ struct sli4_rqst_cmn_write_object {
 	__le32			write_offset;
 	u8			object_name[104];
 	__le32			host_buffer_descriptor_count;
-	struct sli4_bde		host_buffer_descriptor[0];
+	struct sli4_bde		host_buffer_descriptor[];
 };
 
 #define	RSP_CHANGE_STATUS		0xff
@@ -3217,7 +3217,7 @@ struct sli4_rqst_cmn_read_object_list {
 	__le32			read_offset;
 	u8			object_name[104];
 	__le32			host_buffer_descriptor_count;
-	struct sli4_bde		host_buffer_descriptor[0];
+	struct sli4_bde		host_buffer_descriptor[];
 };
 
 enum sli4_rqst_set_dump_flags {
@@ -3342,7 +3342,7 @@ struct sli4_rspource_descriptor_v1 {
 	u8		descriptor_type;
 	u8		descriptor_length;
 	__le16		rsvd16;
-	__le32		type_specific[0];
+	__le32		type_specific[];
 };
 
 enum sli4_pcie_desc_flags {
@@ -3474,7 +3474,7 @@ struct sli4_rqst_post_hdr_templates {
 	struct sli4_rqst_hdr	hdr;
 	__le16			rpi_offset;
 	__le16			page_count;
-	struct sli4_dmaaddr	page_descriptor[0];
+	struct sli4_dmaaddr	page_descriptor[];
 };
 
 #define SLI4_HDR_TEMPLATE_SIZE		64
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h
index fc4eaf6d1e47..fb7d8775c9f7 100644
--- a/drivers/scsi/mpi3mr/mpi3mr.h
+++ b/drivers/scsi/mpi3mr/mpi3mr.h
@@ -878,7 +878,7 @@ struct mpi3mr_fwevt {
 	bool process_evt;
 	u32 evt_ctx;
 	struct kref ref_count;
-	char event_data[0] __aligned(4);
+	char event_data[] __aligned(4);
 };
 
 
diff --git a/drivers/scsi/qla2xxx/qla_bsg.h b/drivers/scsi/qla2xxx/qla_bsg.h
index 0f8a4c7e52a2..6d2b0a7436c1 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.h
+++ b/drivers/scsi/qla2xxx/qla_bsg.h
@@ -157,7 +157,7 @@ struct qla84_msg_mgmt {
 	uint16_t rsrvd;
 	struct qla84_mgmt_param mgmtp;/* parameters for cmd */
 	uint32_t len; /* bytes in payload following this struct */
-	uint8_t payload[0]; /* payload for cmd */
+	uint8_t payload[]; /* payload for cmd */
 };
 
 struct qla_bsg_a84_mgmt {
@@ -216,7 +216,7 @@ struct qla_image_version {
 
 struct qla_image_version_list {
 	uint32_t count;
-	struct qla_image_version version[0];
+	struct qla_image_version version[];
 } __packed;
 
 struct qla_status_reg {
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 9ebf4a234d9a..b6434c72dee3 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -5410,7 +5410,7 @@ struct ql_vnd_stat_entry {
 struct ql_vnd_stats {
 	u64 entry_count; /* Num of entries */
 	u64 rservd;
-	struct ql_vnd_stat_entry entry[0]; /* Place holder of entries */
+	struct ql_vnd_stat_entry entry[]; /* Place holder of entries */
 } __packed;
 
 struct ql_vnd_host_stats_resp {
diff --git a/drivers/scsi/qla2xxx/qla_edif_bsg.h b/drivers/scsi/qla2xxx/qla_edif_bsg.h
index 53026d82ebff..5a26c77157da 100644
--- a/drivers/scsi/qla2xxx/qla_edif_bsg.h
+++ b/drivers/scsi/qla2xxx/qla_edif_bsg.h
@@ -121,7 +121,7 @@ struct app_pinfo {
 struct app_pinfo_reply {
 	uint8_t		port_count;
 	uint8_t		reserved[VND_CMD_APP_RESERVED_SIZE];
-	struct app_pinfo ports[0];
+	struct app_pinfo ports[];
 } __packed;
 
 struct app_sinfo_req {
@@ -140,7 +140,7 @@ struct app_sinfo {
 
 struct app_stats_reply {
 	uint8_t		elem_count;
-	struct app_sinfo elem[0];
+	struct app_sinfo elem[];
 } __packed;
 
 struct qla_sa_update_frame {
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index 073d06e88c58..0bb1d562f0bf 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -1706,7 +1706,7 @@ struct qla_flt_header {
 	__le16	length;
 	__le16	checksum;
 	__le16	unused;
-	struct qla_flt_region region[0];
+	struct qla_flt_region region[];
 };
 
 #define FLT_REGION_SIZE		16
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 4e1764df0a73..860ec61b51b9 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -1028,7 +1028,7 @@ struct crash_record {
 
 	uint8_t out_RISC_reg_dump[256]; /* 80 -17F */
 	uint8_t in_RISC_reg_dump[256];	/*180 -27F */
-	uint8_t in_out_RISC_stack_dump[0];	/*280 - ??? */
+	uint8_t in_out_RISC_stack_dump[];	/*280 - ??? */
 };
 
 struct conn_event_log_entry {
diff --git a/drivers/staging/r8188eu/include/rtw_cmd.h b/drivers/staging/r8188eu/include/rtw_cmd.h
index cf0945ae11c1..f8991a0493d0 100644
--- a/drivers/staging/r8188eu/include/rtw_cmd.h
+++ b/drivers/staging/r8188eu/include/rtw_cmd.h
@@ -73,7 +73,7 @@ struct c2h_evt_hdr {
 	u8 id:4;
 	u8 plen:4;
 	u8 seq;
-	u8 payload[0];
+	u8 payload[];
 };
 
 #define c2h_evt_exist(c2h_evt) ((c2h_evt)->id || (c2h_evt)->plen)
@@ -662,25 +662,25 @@ struct getcurtxpwrlevel_rspi {
 struct setprobereqextraie_parm {
 	unsigned char e_id;
 	unsigned char ie_len;
-	unsigned char ie[0];
+	unsigned char ie[];
 };
 
 struct setassocreqextraie_parm {
 	unsigned char e_id;
 	unsigned char ie_len;
-	unsigned char ie[0];
+	unsigned char ie[];
 };
 
 struct setproberspextraie_parm {
 	unsigned char e_id;
 	unsigned char ie_len;
-	unsigned char ie[0];
+	unsigned char ie[];
 };
 
 struct setassocrspextraie_parm {
 	unsigned char e_id;
 	unsigned char ie_len;
-	unsigned char ie[0];
+	unsigned char ie[];
 };
 
 struct addBaReq_parm {
diff --git a/drivers/staging/rtl8712/rtl871x_cmd.h b/drivers/staging/rtl8712/rtl871x_cmd.h
index ddd69c4ae208..95e9ea5b2d98 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.h
+++ b/drivers/staging/rtl8712/rtl871x_cmd.h
@@ -657,25 +657,25 @@ struct setra_parm {
 struct setprobereqextraie_parm {
 	unsigned char e_id;
 	unsigned char ie_len;
-	unsigned char ie[0];
+	unsigned char ie[];
 };
 
 struct setassocreqextraie_parm {
 	unsigned char e_id;
 	unsigned char ie_len;
-	unsigned char ie[0];
+	unsigned char ie[];
 };
 
 struct setproberspextraie_parm {
 	unsigned char e_id;
 	unsigned char ie_len;
-	unsigned char ie[0];
+	unsigned char ie[];
 };
 
 struct setassocrspextraie_parm {
 	unsigned char e_id;
 	unsigned char ie_len;
-	unsigned char ie[0];
+	unsigned char ie[];
 };
 
 struct addBaReq_parm {
diff --git a/drivers/staging/rtl8723bs/include/ieee80211.h b/drivers/staging/rtl8723bs/include/ieee80211.h
index c11d7e2d2347..1e627dc0044d 100644
--- a/drivers/staging/rtl8723bs/include/ieee80211.h
+++ b/drivers/staging/rtl8723bs/include/ieee80211.h
@@ -204,7 +204,7 @@ struct ieee_param {
 struct ieee_param_ex {
 	u32 cmd;
 	u8 sta_addr[ETH_ALEN];
-	u8 data[0];
+	u8 data[];
 };
 
 struct sta_data {
diff --git a/drivers/staging/rtl8723bs/include/rtw_cmd.h b/drivers/staging/rtl8723bs/include/rtw_cmd.h
index 28d2d2732374..1bf030cbbbbe 100644
--- a/drivers/staging/rtl8723bs/include/rtw_cmd.h
+++ b/drivers/staging/rtl8723bs/include/rtw_cmd.h
@@ -94,7 +94,7 @@ struct c2h_evt_hdr {
 	u8 id:4;
 	u8 plen:4;
 	u8 seq;
-	u8 payload[0];
+	u8 payload[];
 };
 
 struct c2h_evt_hdr_88xx {
diff --git a/drivers/staging/vc04_services/include/linux/raspberrypi/vchiq.h b/drivers/staging/vc04_services/include/linux/raspberrypi/vchiq.h
index 81db7fb76d6d..c93f2f3e87bb 100644
--- a/drivers/staging/vc04_services/include/linux/raspberrypi/vchiq.h
+++ b/drivers/staging/vc04_services/include/linux/raspberrypi/vchiq.h
@@ -45,7 +45,7 @@ struct vchiq_header {
 	/* Size of message data. */
 	unsigned int size;
 
-	char data[0];           /* message */
+	char data[];           /* message */
 };
 
 struct vchiq_element {
diff --git a/drivers/visorbus/vbuschannel.h b/drivers/visorbus/vbuschannel.h
index 4aaf6564eb9f..98711fb6d66e 100644
--- a/drivers/visorbus/vbuschannel.h
+++ b/drivers/visorbus/vbuschannel.h
@@ -89,7 +89,7 @@ struct visor_vbus_channel {
 	struct visor_vbus_headerinfo hdr_info;
 	struct visor_vbus_deviceinfo chp_info;
 	struct visor_vbus_deviceinfo bus_info;
-	struct visor_vbus_deviceinfo dev_info[0];
+	struct visor_vbus_deviceinfo dev_info[];
 } __packed;
 
 #endif