linux-kernel - [91/94] drivers/rtc/rtc-pcf2123.c: fix error return code in pcf2123

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Date:	Tue, 28 May 2013 04:49:53 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	"Jingoo Han" <jg1.han@...sung.com>,
	"Wei Yongjun" <yongjun_wei@...ndmicro.com.cn>
Subject: [91/94] drivers/rtc/rtc-pcf2123.c: fix error return code in
 pcf2123_probe()

3.2.46-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

commit 35623715818dfa720cccf99cd280dcbb4b78da23 upstream.

Fix to return -ENODEV in the chip not found error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
Cc: Jingoo Han <jg1.han@...sung.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/rtc/rtc-pcf2123.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -264,6 +264,7 @@ static int __devinit pcf2123_probe(struc
 
 	if (!(rxbuf[0] & 0x20)) {
 		dev_err(&spi->dev, "chip not found\n");
+		ret = -ENODEV;
 		goto kfree_exit;
 	}
 

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