tree:   git://linuxtv.org/hverkuil/media_tree.git tegrav4
head:   ce1e7ce798ee872c0cd58f0a98a1f4db0606f8a2
commit: 8e6137f211b496f99153e409c92f7a5ce3c9dbf3 [22/25] media: i2c: Add 
support for IMX274 supplies and external clock
config: i386-randconfig-m021-20200825 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>
Reported-by: Dan Carpenter <[email protected]>

smatch warnings:
drivers/media/i2c/imx274.c:1864 imx274_probe() error: uninitialized symbol 
'ret'.

git remote add hverkuil-media git://linuxtv.org/hverkuil/media_tree.git
git fetch --no-tags hverkuil-media tegrav4
git checkout 8e6137f211b496f99153e409c92f7a5ce3c9dbf3
vim +/ret +1864 drivers/media/i2c/imx274.c

e671499303e4c0 Kieran Bingham      2019-07-10  1848  static int 
imx274_probe(struct i2c_client *client)
0985dd306f727d Leon Luo            2017-10-05  1849  {
0985dd306f727d Leon Luo            2017-10-05  1850     struct v4l2_subdev *sd;
0985dd306f727d Leon Luo            2017-10-05  1851     struct stimx274 *imx274;
0985dd306f727d Leon Luo            2017-10-05  1852     int ret;
0985dd306f727d Leon Luo            2017-10-05  1853  
0985dd306f727d Leon Luo            2017-10-05  1854     /* initialize imx274 */
0985dd306f727d Leon Luo            2017-10-05  1855     imx274 = 
devm_kzalloc(&client->dev, sizeof(*imx274), GFP_KERNEL);
0985dd306f727d Leon Luo            2017-10-05  1856     if (!imx274)
0985dd306f727d Leon Luo            2017-10-05  1857             return -ENOMEM;
0985dd306f727d Leon Luo            2017-10-05  1858  
0985dd306f727d Leon Luo            2017-10-05  1859     
mutex_init(&imx274->lock);
0985dd306f727d Leon Luo            2017-10-05  1860  
8e6137f211b496 Sowjanya Komatineni 2020-06-03  1861     imx274->xclk = 
devm_clk_get(&client->dev, "xclk");
8e6137f211b496 Sowjanya Komatineni 2020-06-03  1862     if 
(IS_ERR(imx274->xclk)) {
8e6137f211b496 Sowjanya Komatineni 2020-06-03  1863             
dev_err(&client->dev, "Failed to get xclk\n");
8e6137f211b496 Sowjanya Komatineni 2020-06-03 @1864             return ret;

"ret" is uninitialized.

8e6137f211b496 Sowjanya Komatineni 2020-06-03  1865     }
8e6137f211b496 Sowjanya Komatineni 2020-06-03  1866  
8e6137f211b496 Sowjanya Komatineni 2020-06-03  1867     ret = 
clk_set_rate(imx274->xclk, IMX274_DEFAULT_CLK_FREQ);
8e6137f211b496 Sowjanya Komatineni 2020-06-03  1868     if (ret < 0) {
8e6137f211b496 Sowjanya Komatineni 2020-06-03  1869             
dev_err(&client->dev, "Failed to set xclk rate\n");
8e6137f211b496 Sowjanya Komatineni 2020-06-03  1870             return ret;
8e6137f211b496 Sowjanya Komatineni 2020-06-03  1871     }

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

Attachment: .config.gz
Description: application/gzip

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