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 02b742afa761649b0737ab00da9cf69b8526feb8..6dd6b38b0b4112bd7f5137e02fb93aeb5a068ab6 100644 (file)
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -265,6 +265,7 @@ static int pcf2123_probe(struct spi_device *spi)
 
        if (!(rxbuf[0] & 0x20)) {
                dev_err(&spi->dev, "chip not found\n");
+               ret = -ENODEV;
                goto kfree_exit;
        }