"tmp" is used to store the output from cpu_to_be16() so it should be
a __be16 bit type.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
Static checker patch. Untested.
diff --git a/drivers/staging/iio/adc/ad7298_core.c b/drivers/staging/iio/adc/ad7298_core.c
index a799bd1..3e804e2 100644
--- a/drivers/staging/iio/adc/ad7298_core.c
+++ b/drivers/staging/iio/adc/ad7298_core.c
@@ -69,27 +69,28 @@ static int ad7298_scan_direct(struct ad7298_state *st, unsigned ch)
static int ad7298_scan_temp(struct ad7298_state *st, int *val)
{
int tmp, ret;
+ __be16 buf;
- tmp = cpu_to_be16(AD7298_WRITE | AD7298_TSENSE |
+ buf = cpu_to_be16(AD7298_WRITE | AD7298_TSENSE |
AD7298_TAVG | st->ext_ref);
- ret = spi_write(st->spi, (u8 *)&tmp, 2);
+ ret = spi_write(st->spi, (u8 *)&buf, 2);
if (ret)
return ret;
- tmp = 0;
+ buf = cpu_to_be16(0);
- ret = spi_write(st->spi, (u8 *)&tmp, 2);
+ ret = spi_write(st->spi, (u8 *)&buf, 2);
if (ret)
return ret;
usleep_range(101, 1000); /* sleep > 100us */
- ret = spi_read(st->spi, (u8 *)&tmp, 2);
+ ret = spi_read(st->spi, (u8 *)&buf, 2);
if (ret)
return ret;
- tmp = be16_to_cpu(tmp) & RES_MASK(AD7298_BITS);
+ tmp = be16_to_cpu(buf) & RES_MASK(AD7298_BITS);
/*
* One LSB of the ADC corresponds to 0.25 deg C.
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