Re: drivers/hid/hid-ft260.c:794:44: warning: format specifies type 'short' but the argument has type 'int'

Michael Zaidman
2021-05-06T11:55:53Z

On Thu, May 06, 2021 at 06:47:46AM +0800, kernel test robot wrote:
>
> drivers/hid/hid-ft260.c:515:59: warning: variable 'len' is uninitialized when used here [-Wuninitialized]
> hid_err(hdev, "%s: unsupported wr len: %d\n", __func__, len);
> ^~~
> include/linux/hid.h:1190:30: note: expanded from macro 'hid_err'
> dev_err(&(hid)->dev, fmt, ##__VA_ARGS__)
> ^~~~~~~~~~~
> include/linux/dev_printk.h:112:32: note: expanded from macro 'dev_err'
> _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__)
> ^~~~~~~~~~~
> drivers/hid/hid-ft260.c:507:9: note: initialize the variable 'len' to silence this warning
> int len, ret;
> ^
> = 0

This warning has already been found and fixed by Dan Carpenter in
the "HID: ft260: fix an error message in ft260_i2c_write_read()" commit
on March 18, 2021.