Re: [PATCH] media: dvb-frontends: Use kmemdup instead of duplicating its function

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Hi zhong,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on v4.19-rc4 next-20180918]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/zhong-jiang/media-dvb-frontends-Use-kmemdup-instead-of-duplicating-its-function/20180919-063244
base:   git://linuxtv.org/media_tree.git master
config: i386-randconfig-x002-201837 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/media/dvb-frontends/lgdt3306a.c: In function 'lgdt3306a_probe':
>> drivers/media/dvb-frontends/lgdt3306a.c:2208:2: error: 'onfig' undeclared (first use in this function); did you mean 'config'?
     onfig = kmemdup(client->dev.platform_data,
     ^~~~~
     config
   drivers/media/dvb-frontends/lgdt3306a.c:2208:2: note: each undeclared identifier is reported only once for each function it appears in

vim +2208 drivers/media/dvb-frontends/lgdt3306a.c

  2199	
  2200	static int lgdt3306a_probe(struct i2c_client *client,
  2201			const struct i2c_device_id *id)
  2202	{
  2203		struct lgdt3306a_config *config;
  2204		struct lgdt3306a_state *state;
  2205		struct dvb_frontend *fe;
  2206		int ret;
  2207	
> 2208		onfig = kmemdup(client->dev.platform_data,
  2209				sizeof(struct lgdt3306a_config), GFP_KERNEL);
  2210		if (config == NULL) {
  2211			ret = -ENOMEM;
  2212			goto fail;
  2213		}
  2214	
  2215		config->i2c_addr = client->addr;
  2216		fe = lgdt3306a_attach(config, client->adapter);
  2217		if (fe == NULL) {
  2218			ret = -ENODEV;
  2219			goto err_fe;
  2220		}
  2221	
  2222		i2c_set_clientdata(client, fe->demodulator_priv);
  2223		state = fe->demodulator_priv;
  2224		state->frontend.ops.release = NULL;
  2225	
  2226		/* create mux i2c adapter for tuner */
  2227		state->muxc = i2c_mux_alloc(client->adapter, &client->dev,
  2228					  1, 0, I2C_MUX_LOCKED,
  2229					  lgdt3306a_select, lgdt3306a_deselect);
  2230		if (!state->muxc) {
  2231			ret = -ENOMEM;
  2232			goto err_kfree;
  2233		}
  2234		state->muxc->priv = client;
  2235		ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0);
  2236		if (ret)
  2237			goto err_kfree;
  2238	
  2239		/* create dvb_frontend */
  2240		fe->ops.i2c_gate_ctrl = NULL;
  2241		*config->i2c_adapter = state->muxc->adapter[0];
  2242		*config->fe = fe;
  2243	
  2244		dev_info(&client->dev, "LG Electronics LGDT3306A successfully identified\n");
  2245	
  2246		return 0;
  2247	
  2248	err_kfree:
  2249		kfree(state);
  2250	err_fe:
  2251		kfree(config);
  2252	fail:
  2253		dev_warn(&client->dev, "probe failed = %d\n", ret);
  2254		return ret;
  2255	}
  2256	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip


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