[PATCH] drivers/gpio: Check return value to silence warning

From: Nick Krause
Date: Thu Aug 07 2014 - 00:40:12 EST


Check for return value to fix the following error

drivers/gpio/gpio-sch311x.c: In function 'sch311x_gpio_probe':
drivers/gpio/gpio-sch311x.c:286:18: warning: ignoring return value of
'gpiochip_remove', declared with attribute warn_unused_result [-Wunused-result]

in the context we do not need to check but checking makes compiler happy.
With help from kernelnewbies.

Signed-off-by: Nick Krause <xerofoify@xxxxxxxxx>
---
drivers/gpio/gpio-sch311x.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-sch311x.c b/drivers/gpio/gpio-sch311x.c
index f942b80..af35e99 100644
--- a/drivers/gpio/gpio-sch311x.c
+++ b/drivers/gpio/gpio-sch311x.c
@@ -283,7 +283,7 @@ exit_err:
release_region(pdata->runtime_reg + GP1, 6);
/* release already registered chips */
for (--i; i >= 0; i--)
- gpiochip_remove(&priv->blocks[i].chip);
+ WARN_ON(gpiochip_remove(&priv->blocks[i].chip));
return err;
}

--
2.0.1

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