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 787798e762176ffabc59e9fadf8970409d828c17..fd233cc85a5b53671757fdaa9bd47f2f5b9a49c2 100644 (file)
--- 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 {                                                    \