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

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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>
This commit is contained in:
Kees Cook
2013-07-03 15:04:57 -07:00
committed by Linus Torvalds
parent 02aa2a3763
commit d8537548c9
13 changed files with 24 additions and 27 deletions
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6
drivers/scsi/scsi_transport_fc.c
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@@ -435,7 +435,7 @@ static int fc_host_setup(struct transport_container *tc, struct device *dev,
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 @@ static int fc_host_setup(struct transport_container *tc, struct device *dev,
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;