rtc: rtc-ds1390: remove unnecessary OOM messages

The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c
index be9d8c0..e67bfcb 100644
--- a/drivers/rtc/rtc-ds1390.c
+++ b/drivers/rtc/rtc-ds1390.c
@@ -132,10 +132,9 @@
 	spi_setup(spi);
 
 	chip = devm_kzalloc(&spi->dev, sizeof(*chip), GFP_KERNEL);
-	if (!chip) {
-		dev_err(&spi->dev, "unable to allocate device memory\n");
+	if (!chip)
 		return -ENOMEM;
-	}
+
 	spi_set_drvdata(spi, chip);
 
 	res = ds1390_get_reg(&spi->dev, DS1390_REG_SECONDS, &tmp);