From: Kees Cook <keescook@chromium.org>
Date: Thu, 10 Jul 2014 20:16:11 +0000 (-0700)
Subject: staging: r8821ae: avoid leaking format string
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a3355a62673e2c4bd8617d2f07c8edee92a89b8d;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

staging: r8821ae: avoid leaking format string

This make sure a format string cannot leak into the work queue name nor
the printk buffer.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/rtl8821ae/btcoexist/halbtcoutsrc.h b/drivers/staging/rtl8821ae/btcoexist/halbtcoutsrc.h
index 787798e76217..fd233cc85a5b 100644
--- a/drivers/staging/rtl8821ae/btcoexist/halbtcoutsrc.h
+++ b/drivers/staging/rtl8821ae/btcoexist/halbtcoutsrc.h
@@ -88,7 +88,7 @@ extern u32 btc_dbg_type[];
 
 
 #define	CL_SPRINTF	snprintf
-#define	CL_PRINTF	printk
+#define	CL_PRINTF(buf)	printk("%s", buf)
 
 #define	BTC_PRINT(dbgtype, dbgflag, printstr, ...)		\
 	do { 							\