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Subject[PATCH 01/30] iio: adc: ad_sigma_delta: Remove unused variable 'ret'
Date
Fixes the following W=1 kernel build warning(s):

drivers/iio/adc/ad_sigma_delta.c: In function ‘ad_sd_trigger_handler’:
drivers/iio/adc/ad_sigma_delta.c:405:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
405 | int ret;
| ^~~

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
drivers/iio/adc/ad_sigma_delta.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index dd3d54b3bc8bb..f269b926440da 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -402,7 +402,6 @@ static irqreturn_t ad_sd_trigger_handler(int irq, void *p)
unsigned int reg_size;
unsigned int data_reg;
uint8_t data[16];
- int ret;

memset(data, 0x00, 16);

@@ -419,14 +418,12 @@ static irqreturn_t ad_sd_trigger_handler(int irq, void *p)
case 4:
case 2:
case 1:
- ret = ad_sd_read_reg_raw(sigma_delta, data_reg, reg_size,
- &data[0]);
+ ad_sd_read_reg_raw(sigma_delta, data_reg, reg_size, &data[0]);
break;
case 3:
/* We store 24 bit samples in a 32 bit word. Keep the upper
* byte set to zero. */
- ret = ad_sd_read_reg_raw(sigma_delta, data_reg, reg_size,
- &data[1]);
+ ad_sd_read_reg_raw(sigma_delta, data_reg, reg_size, &data[1]);
break;
}

--
2.25.1
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