Am 15.01.2011 15:04, schrieb Dan Carpenter:
> The signed one-bit types can be 0 or -1 which can cause a problem if
> someone ever checks if (foo->lu_gp_assoc == 1). The current code is
> fine because everyone just checks zero vs non-zero. But Sparse
> complains about it so lets change it. The warnings look like this:
>
Your code looks ok,
but to avoid that kind of errors it may be better to use int here.
re,
wh
> include/target/target_core_base.h:228:26: error: dubious one-bit signed bitfield
>
> Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
>
> diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
> index 07fdfb6..764177b 100644
> --- a/include/target/target_core_base.h
> +++ b/include/target/target_core_base.h
> @@ -225,7 +225,7 @@ struct t10_alua_lu_gp {
> } ____cacheline_aligned;
>
> struct t10_alua_lu_gp_member {
> - int lu_gp_assoc:1;
> + bool lu_gp_assoc;
> atomic_t lu_gp_mem_ref_cnt;
> spinlock_t lu_gp_mem_lock;
> struct t10_alua_lu_gp *lu_gp;
> @@ -257,7 +257,7 @@ struct t10_alua_tg_pt_gp {
> } ____cacheline_aligned;
>
> struct t10_alua_tg_pt_gp_member {
> - int tg_pt_gp_assoc:1;
> + bool tg_pt_gp_assoc;
> atomic_t tg_pt_gp_mem_ref_cnt;
> spinlock_t tg_pt_gp_mem_lock;
> struct t10_alua_tg_pt_gp *tg_pt_gp;
> @@ -322,7 +322,7 @@ struct t10_pr_registration {
> int pr_res_type;
> int pr_res_scope;
> /* Used for fabric initiator WWPNs using a ISID */
> - int isid_present_at_reg:1;
> + bool isid_present_at_reg;
> u32 pr_res_mapped_lun;
> u32 pr_aptpl_target_lun;
> u32 pr_res_generation;
> @@ -404,7 +404,7 @@ struct se_transport_task {
> unsigned long long t_task_lba;
> int t_tasks_failed;
> int t_tasks_fua;
> - int t_tasks_bidi:1;
> + bool t_tasks_bidi;
> u32 t_task_cdbs;
> u32 t_tasks_check;
> u32 t_tasks_no;
> @@ -456,7 +456,7 @@ struct se_task {
> u8 task_flags;
> int task_error_status;
> int task_state_flags;
> - int task_padded_sg:1;
> + bool task_padded_sg;
> unsigned long long task_lba;
> u32 task_no;
> u32 task_sectors;
> @@ -569,7 +569,7 @@ struct se_ua {
> struct se_node_acl {
> char initiatorname[TRANSPORT_IQN_LEN];
> /* Used to signal demo mode created ACL, disabled by default */
> - int dynamic_node_acl:1;
> + bool dynamic_node_acl;
> u32 queue_depth;
> u32 acl_index;
> u64 num_cmds;
> @@ -622,7 +622,7 @@ struct se_lun_acl {
> } ____cacheline_aligned;
>
> struct se_dev_entry {
> - int def_pr_registered:1;
> + bool def_pr_registered;
> /* See transport_lunflags_table */
> u32 lun_flags;
> u32 deve_cmds;
> diff --git a/include/target/target_core_fabric_ops.h b/include/target/target_core_fabric_ops.h
> index f3ac12b..5eb8b1a 100644
> --- a/include/target/target_core_fabric_ops.h
> +++ b/include/target/target_core_fabric_ops.h
> @@ -8,7 +8,7 @@ struct target_core_fabric_ops {
> * for scatterlist chaining using transport_do_task_sg_link(),
> * disabled by default
> */
> - int task_sg_chaining:1;
> + bool task_sg_chaining;
> char *(*get_fabric_name)(void);
> u8 (*get_fabric_proto_ident)(struct se_portal_group *);
> char *(*tpg_get_wwn)(struct se_portal_group *);
> --
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>
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