drivers: avoid format strings in names passed to alloc_workqueue()

For the workqueue creation interfaces that do not expect format strings,
make sure they cannot accidently be parsed that way.  Additionally, clean
up calls made with a single parameter that would be handled as a format
string.  Many callers are passing potentially dynamic string content, so
use "%s" in those cases to avoid any potential accidents.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index d24a286..a1f5ac7 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4996,7 +4996,7 @@
 
 	snprintf(phba->wq_name, sizeof(phba->wq_name), "beiscsi_%02x_wq",
 		 phba->shost->host_no);
-	phba->wq = alloc_workqueue(phba->wq_name, WQ_MEM_RECLAIM, 1);
+	phba->wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 1, phba->wq_name);
 	if (!phba->wq) {
 		beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
 			    "BM_%d : beiscsi_dev_probe-"
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index 4d231c1..b246b3c 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -7060,8 +7060,8 @@
 	}
 	INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
 
-	sprintf(buf, "qla4xxx_%lu_task", ha->host_no);
-	ha->task_wq = alloc_workqueue(buf, WQ_MEM_RECLAIM, 1);
+	ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1,
+				      ha->host_no);
 	if (!ha->task_wq) {
 		ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
 		ret = -ENODEV;
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index e106c27..4628fd5 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -435,7 +435,7 @@
 
 	snprintf(fc_host->work_q_name, sizeof(fc_host->work_q_name),
 		 "fc_wq_%d", shost->host_no);
-	fc_host->work_q = alloc_workqueue(fc_host->work_q_name, 0, 0);
+	fc_host->work_q = alloc_workqueue("%s", 0, 0, fc_host->work_q_name);
 	if (!fc_host->work_q)
 		return -ENOMEM;
 
@@ -443,8 +443,8 @@
 	snprintf(fc_host->devloss_work_q_name,
 		 sizeof(fc_host->devloss_work_q_name),
 		 "fc_dl_%d", shost->host_no);
-	fc_host->devloss_work_q =
-			alloc_workqueue(fc_host->devloss_work_q_name, 0, 0);
+	fc_host->devloss_work_q = alloc_workqueue("%s", 0, 0,
+					fc_host->devloss_work_q_name);
 	if (!fc_host->devloss_work_q) {
 		destroy_workqueue(fc_host->work_q);
 		fc_host->work_q = NULL;