scsi: target: iscsi: Initialize arrays at declaration time

Avoids calling memset().

Link: https://lore.kernel.org/r/20210228055645.22253-13-chaitanya.kulkarni@wdc.comReviewed-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>

drivers/target/iscsi/iscsi_target_configfs.c

@@ -161,14 +161,13 @@ static struct se_tpg_np *lio_target_call_addnptotpg(
 	char *str, *str2, *ip_str, *port_str;
 	struct sockaddr_storage sockaddr = { };
 	int ret;
-	char buf[MAX_PORTAL_LEN + 1];
+	char buf[MAX_PORTAL_LEN + 1] = { };
 
 	if (strlen(name) > MAX_PORTAL_LEN) {
 		pr_err("strlen(name): %d exceeds MAX_PORTAL_LEN: %d\n",
 			(int)strlen(name), MAX_PORTAL_LEN);
 		return ERR_PTR(-EOVERFLOW);
 	}
-	memset(buf, 0, MAX_PORTAL_LEN + 1);
 	snprintf(buf, MAX_PORTAL_LEN + 1, "%s", name);
 
 	str = strstr(buf, "[");