rtlwifi: btcoexist: avoid format string in printk

Since CL_PRINTF only ever takes a single argument, make sure a format
string cannot leak into printk.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.h b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.h
index 871fc3c6d559f63b65f1322417a1e2d61a8fc955..049f4c8d98a8675baa69bd993a1bfe268bd08f2f 100644 (file)
--- a/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.h
+++ b/drivers/net/wireless/rtlwifi/btcoexist/halbtcoutsrc.h
@@ -114,7 +114,7 @@ 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 {                                                    \