[PATCH 2/5] MFD AB3100 propagate error

[Linus Walleij]

This makes ab3100_set_register_interruptible() propagate the error
code from suboperations properly so it can be handles properly.
(A special case comes from signal interruption.)

Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxxxxxx>
---
 drivers/mfd/ab3100-core.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index ffb2af2..1fd20cd 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -107,7 +107,7 @@ int ab3100_set_register_interruptible(struct ab3100 *ab3100, u8 reg, u8 regval)
 		err = 0;
 	}
 	mutex_unlock(&ab3100->access_mutex);
-	return 0;
+	return err;
 }
 EXPORT_SYMBOL(ab3100_set_register_interruptible);
 
-- 
1.6.2.1

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