From: Linus Walleij <linus.walleij@stericsson.com>
Date: Thu, 13 Aug 2009 09:49:38 +0000 (+0200)
Subject: mfd: AB3100 propagate error
X-Git-Tag: firefly_0821_release~12923^2~15
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7cdc2b98cec4c9b5bd563adf9eec90e7a7e12234;p=firefly-linux-kernel-4.4.55.git

mfd: AB3100 propagate error

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@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index ffe4b6415465..377ec2ba6549 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);