[PATCH] drm: refactor call to request_module

[Kees Cook]

This reduces the size of the stack frame when calling request_module().
Performing the sprintf before the call is not needed.

Signed-off-by: Kees Cook <keescook at chromium.org>
---
 drivers/gpu/drm/drm_encoder_slave.c |    6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/drm_encoder_slave.c 
b/drivers/gpu/drm/drm_encoder_slave.c
index 48c52f7..0cfb60f 100644
--- a/drivers/gpu/drm/drm_encoder_slave.c
+++ b/drivers/gpu/drm/drm_encoder_slave.c
@@ -54,16 +54,12 @@ int drm_i2c_encoder_init(struct drm_device *dev,
                         struct i2c_adapter *adap,
                         const struct i2c_board_info *info)
 {
-       char modalias[sizeof(I2C_MODULE_PREFIX)
-                     + I2C_NAME_SIZE];
        struct module *module = NULL;
        struct i2c_client *client;
        struct drm_i2c_encoder_driver *encoder_drv;
        int err = 0;

-       snprintf(modalias, sizeof(modalias),
-                "%s%s", I2C_MODULE_PREFIX, info->type);
-       request_module(modalias);
+       request_module("%s%s", I2C_MODULE_PREFIX, info->type);

        client = i2c_new_device(adap, info);
        if (!client) {
-- 
1.7.9.5


-- 
Kees Cook
Chrome OS Security