From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Mon, 29 Apr 2013 23:21:07 +0000 (-0700)
Subject: drivers/rtc/rtc-pcf2123.c: fix error return code in pcf2123_probe()
X-Git-Tag: v3.0.79~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5cb2df345fb2b2e119f492d6c36e8d3bad70d8b3;p=thirdparty%2Fkernel%2Fstable.git

drivers/rtc/rtc-pcf2123.c: fix error return code in pcf2123_probe()

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@trendmicro.com.cn>
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index 71bab0ef54436..646f6fe52cf26 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -263,6 +263,7 @@ static int __devinit pcf2123_probe(struct spi_device *spi)
 
 	if (!(rxbuf[0] & 0x20)) {
 		dev_err(&spi->dev, "chip not found\n");
+		ret = -ENODEV;
 		goto kfree_exit;
 	}