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SubjectRe: [PATCH v7] staging: adis16060_core: Replace mlock with buf_lock and refactor code
Hi simran,

[auto build test WARNING on iio/togreg]
[also build test WARNING on v4.11-rc3 next-20170322]
[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/simran-singhal/staging-adis16060_core-Replace-mlock-with-buf_lock-and-refactor-code/20170323-031726
base: https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: x86_64-randconfig-s0-03230201 (attached as .config)
compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

drivers/staging/iio/gyro/adis16060_core.c: In function 'adis16060_read_raw':
>> drivers/staging/iio/gyro/adis16060_core.c:79: warning: unused variable 'st'

vim +/st +79 drivers/staging/iio/gyro/adis16060_core.c

63 if (!ret)
64 *val = ((st->buf[0] & 0x3) << 12) |
65 (st->buf[1] << 4) |
66 ((st->buf[2] >> 4) & 0xF);
67 mutex_unlock(&st->buf_lock);
68
69 return ret;
70 }
71
72 static int adis16060_read_raw(struct iio_dev *indio_dev,
73 struct iio_chan_spec const *chan,
74 int *val, int *val2,
75 long mask)
76 {
77 u16 tval = 0;
78 int ret;
> 79 struct adis16060_state *st = iio_priv(indio_dev);
80
81 switch (mask) {
82 case IIO_CHAN_INFO_RAW:
83 ret = adis16060_spi_write_than_read(indio_dev,
84 chan->address, &tval);
85 if (ret < 0)
86 return ret;
87

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