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/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;