linux-kernel - [PATCH] ntb: avoid format string in dev_set

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Date:	Fri, 24 Jul 2015 16:35:59 -0700
From:	Kees Cook <keescook@...omium.org>
To:	linux-kernel@...r.kernel.org
Cc:	Jon Mason <jdmason@...zu.us>, Dave Jiang <dave.jiang@...el.com>,
	Allen Hubbe <Allen.Hubbe@....com>
Subject: [PATCH] ntb: avoid format string in dev_set_name

Avoid any chance of format string expansion when calling dev_set_name.

Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/ntb/ntb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/ntb/ntb.c b/drivers/ntb/ntb.c
index 23435f2a5486..2e2530743831 100644
--- a/drivers/ntb/ntb.c
+++ b/drivers/ntb/ntb.c
@@ -114,7 +114,7 @@ int ntb_register_device(struct ntb_dev *ntb)
 	ntb->dev.bus = &ntb_bus;
 	ntb->dev.parent = &ntb->pdev->dev;
 	ntb->dev.release = ntb_dev_release;
-	dev_set_name(&ntb->dev, pci_name(ntb->pdev));
+	dev_set_name(&ntb->dev, "%s", pci_name(ntb->pdev));
 
 	ntb->ctx = NULL;
 	ntb->ctx_ops = NULL;
-- 
1.9.1


-- 
Kees Cook
Chrome OS Security
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