[PATCH][next] iio: adc: Fix -EBUSY timeout error return

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From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Currently when a timeout occurs in rzg2l_adc_hw_init the error -EBUSY is
assigned to ret but the error code is used as the function is hard-coded
to return 0.  The variable ret is 0 before entering the while-loop hence
the fix is just to return ret at the end of the function to return the
success 0 or -EBUSY return code.

Addresses-Coverity: ("Unused value")
Fixes: d484c21bacfa ("iio: adc: Add driver for Renesas RZ/G2L A/D converter")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
 drivers/iio/adc/rzg2l_adc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/rzg2l_adc.c b/drivers/iio/adc/rzg2l_adc.c
index 9996d5eef289..868b183e75ea 100644
--- a/drivers/iio/adc/rzg2l_adc.c
+++ b/drivers/iio/adc/rzg2l_adc.c
@@ -401,7 +401,7 @@ static int rzg2l_adc_hw_init(struct rzg2l_adc *adc)
 exit_hw_init:
 	clk_disable_unprepare(adc->pclk);
 
-	return 0;
+	return ret;
 }
 
 static void rzg2l_adc_pm_runtime_disable(void *data)
-- 
2.32.0




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