backlight: adp8870: 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>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c
index 6370720..251af4d 100644
--- a/drivers/video/backlight/adp8870_bl.c
+++ b/drivers/video/backlight/adp8870_bl.c
@@ -246,10 +246,8 @@
 
 	led = devm_kzalloc(&client->dev, pdata->num_leds * sizeof(*led),
 				GFP_KERNEL);
-	if (led == NULL) {
-		dev_err(&client->dev, "failed to alloc memory\n");
+	if (led == NULL)
 		return -ENOMEM;
-	}
 
 	ret = adp8870_write(client, ADP8870_ISCLAW, pdata->led_fade_law);
 	if (ret)