linux-kernel - [ 082/102] drivers/rtc/rtc-pcf2123.c: fix error return code in pcf2123

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Date:	Fri, 17 May 2013 14:36:37 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Wei Yongjun <yongjun_wei@...ndmicro.com.cn>,
	Jingoo Han <jg1.han@...sung.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jonghwan Choi <jhbird.choi@...sung.com>
Subject: [ 082/102] drivers/rtc/rtc-pcf2123.c: fix error return code in pcf2123_probe()

3.9-stable 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: Jonghwan Choi <jhbird.choi@...sung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/rtc/rtc-pcf2123.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -265,6 +265,7 @@ static int pcf2123_probe(struct spi_devi
 
 	if (!(rxbuf[0] & 0x20)) {
 		dev_err(&spi->dev, "chip not found\n");
+		ret = -ENODEV;
 		goto kfree_exit;
 	}
 


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