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scsi: target: configfs: Initialize arrays at declaration time

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Avoids calling memset().

Link: https://lore.kernel.org/r/20210228055645.22253-14-chaitanya.kulkarni@wdc.com
Link: https://lore.kernel.org/r/20210228055645.22253-15-chaitanya.kulkarni@wdc.com
Link: https://lore.kernel.org/r/20210228055645.22253-16-chaitanya.kulkarni@wdc.com
Link: https://lore.kernel.org/r/20210228055645.22253-17-chaitanya.kulkarni@wdc.com
Link: https://lore.kernel.org/r/20210228055645.22253-18-chaitanya.kulkarni@wdc.com
Link: https://lore.kernel.org/r/20210228055645.22253-19-chaitanya.kulkarni@wdc.com
Link: https://lore.kernel.org/r/20210228055645.22253-20-chaitanya.kulkarni@wdc.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Chaitanya Kulkarni 2021-02-27 21:56:35 -08:00 committed by Martin K. Petersen
parent c22659fbb9
commit 2d4e2daf4f
1 changed files with 7 additions and 18 deletions
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25
drivers/target/target_core_configfs.c
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@ -1494,7 +1494,7 @@ static ssize_t target_wwn_vpd_unit_serial_store(struct config_item *item,
{
struct t10_wwn *t10_wwn = to_t10_wwn(item);
struct se_device *dev = t10_wwn->t10_dev;
unsigned char buf[INQUIRY_VPD_SERIAL_LEN];
unsigned char buf[INQUIRY_VPD_SERIAL_LEN] = { };
/*
* If Linux/SCSI subsystem_api_t plugin got a VPD Unit Serial
@ -1536,7 +1536,6 @@ static ssize_t target_wwn_vpd_unit_serial_store(struct config_item *item,
* Also, strip any newline added from the userspace
* echo $UUID > $TARGET/$HBA/$STORAGE_OBJECT/wwn/vpd_unit_serial
*/
memset(buf, 0, INQUIRY_VPD_SERIAL_LEN);
snprintf(buf, INQUIRY_VPD_SERIAL_LEN, "%s", page);
snprintf(dev->t10_wwn.unit_serial, INQUIRY_VPD_SERIAL_LEN,
"%s", strstrip(buf));
@ -1556,11 +1555,9 @@ static ssize_t target_wwn_vpd_protocol_identifier_show(struct config_item *item,
{
struct t10_wwn *t10_wwn = to_t10_wwn(item);
struct t10_vpd *vpd;
unsigned char buf[VPD_TMP_BUF_SIZE];
unsigned char buf[VPD_TMP_BUF_SIZE] = { };
ssize_t len = 0;
memset(buf, 0, VPD_TMP_BUF_SIZE);
spin_lock(&t10_wwn->t10_vpd_lock);
list_for_each_entry(vpd, &t10_wwn->t10_vpd_list, vpd_list) {
if (!vpd->protocol_identifier_set)
@ -1663,9 +1660,7 @@ static ssize_t target_core_dev_pr_show_spc3_res(struct se_device *dev,
{
struct se_node_acl *se_nacl;
struct t10_pr_registration *pr_reg;
char i_buf[PR_REG_ISID_ID_LEN];
memset(i_buf, 0, PR_REG_ISID_ID_LEN);
char i_buf[PR_REG_ISID_ID_LEN] = { };
pr_reg = dev->dev_pr_res_holder;
if (!pr_reg)
@ -2286,7 +2281,7 @@ static ssize_t target_dev_alua_lu_gp_store(struct config_item *item,
struct se_hba *hba = dev->se_hba;
struct t10_alua_lu_gp *lu_gp = NULL, *lu_gp_new = NULL;
struct t10_alua_lu_gp_member *lu_gp_mem;
unsigned char buf[LU_GROUP_NAME_BUF];
unsigned char buf[LU_GROUP_NAME_BUF] = { };
int move = 0;
lu_gp_mem = dev->dev_alua_lu_gp_mem;
@ -2297,7 +2292,6 @@ static ssize_t target_dev_alua_lu_gp_store(struct config_item *item,
pr_err("ALUA LU Group Alias too large!\n");
return -EINVAL;
}
memset(buf, 0, LU_GROUP_NAME_BUF);
memcpy(buf, page, count);
/*
* Any ALUA logical unit alias besides "NULL" means we will be
@ -2615,9 +2609,7 @@ static ssize_t target_lu_gp_members_show(struct config_item *item, char *page)
struct se_hba *hba;
struct t10_alua_lu_gp_member *lu_gp_mem;
ssize_t len = 0, cur_len;
unsigned char buf[LU_GROUP_NAME_BUF];
memset(buf, 0, LU_GROUP_NAME_BUF);
unsigned char buf[LU_GROUP_NAME_BUF] = { };
spin_lock(&lu_gp->lu_gp_lock);
list_for_each_entry(lu_gp_mem, &lu_gp->lu_gp_mem_list, lu_gp_mem_list) {
@ -3020,9 +3012,7 @@ static ssize_t target_tg_pt_gp_members_show(struct config_item *item,
struct t10_alua_tg_pt_gp *tg_pt_gp = to_tg_pt_gp(item);
struct se_lun *lun;
ssize_t len = 0, cur_len;
unsigned char buf[TG_PT_GROUP_NAME_BUF];
memset(buf, 0, TG_PT_GROUP_NAME_BUF);
unsigned char buf[TG_PT_GROUP_NAME_BUF] = { };
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
list_for_each_entry(lun, &tg_pt_gp->tg_pt_gp_lun_list,
@ -3409,11 +3399,10 @@ static struct config_group *target_core_call_addhbatotarget(
{
char *se_plugin_str, *str, *str2;
struct se_hba *hba;
char buf[TARGET_CORE_NAME_MAX_LEN];
char buf[TARGET_CORE_NAME_MAX_LEN] = { };
unsigned long plugin_dep_id = 0;
int ret;
memset(buf, 0, TARGET_CORE_NAME_MAX_LEN);
if (strlen(name) >= TARGET_CORE_NAME_MAX_LEN) {
pr_err("Passed *name strlen(): %d exceeds"
" TARGET_CORE_NAME_MAX_LEN: %d\n", (int)strlen(name),