Make sure that loaded modules are const char strings so we don't
load arbitrary modules in the future, nor allow for format string
leaks in the module request call.

Signed-off-by: Kees Cook <[email protected]>
---
 drivers/media/usb/dvb-usb-v2/af9035.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c 
b/drivers/media/usb/dvb-usb-v2/af9035.c
index 00758c83eec7..1896ab218b11 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -193,8 +193,8 @@ static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 
reg, u8 val,
        return af9035_wr_regs(d, reg, &val, 1);
 }
 
-static int af9035_add_i2c_dev(struct dvb_usb_device *d, char *type, u8 addr,
-               void *platform_data, struct i2c_adapter *adapter)
+static int af9035_add_i2c_dev(struct dvb_usb_device *d, const char *type,
+               u8 addr, void *platform_data, struct i2c_adapter *adapter)
 {
        int ret, num;
        struct state *state = d_to_priv(d);
@@ -221,7 +221,7 @@ static int af9035_add_i2c_dev(struct dvb_usb_device *d, 
char *type, u8 addr,
                goto err;
        }
 
-       request_module(board_info.type);
+       request_module("%s", board_info.type);
 
        /* register I2C device */
        client = i2c_new_device(adapter, &board_info);
-- 
1.9.1


-- 
Kees Cook
Chrome OS Security
--
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