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

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 <[email protected]>
Cc: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Author: Wei Yongjun

drivers/rtc/rtc-pcf2123.c

@@ -266,6 +266,7 @@ 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;
 	}