From fdb5950754eb3dedb9fea7c8828d3e51d9dbc3f7 Mon Sep 17 00:00:00 2001
From: Marco Stornelli <marco.stornelli@gmail.com>
Date: Thu, 12 Jan 2012 17:20:58 -0800
Subject: ramoops: fix use of rounddown_pow_of_two()

The return value of rounddown_pow_of_two wasn't evaluated, so the
operation was a no-op.

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c
index feda90c..9c152ab 100644
--- a/drivers/char/ramoops.c
+++ b/drivers/char/ramoops.c
@@ -125,8 +125,8 @@ static int __init ramoops_probe(struct platform_device *pdev)
 		goto fail3;
 	}
 
-	rounddown_pow_of_two(pdata->mem_size);
-	rounddown_pow_of_two(pdata->record_size);
+	pdata->mem_size = rounddown_pow_of_two(pdata->mem_size);
+	pdata->record_size = rounddown_pow_of_two(pdata->record_size);
 
 	/* Check for the minimum memory size */
 	if (pdata->mem_size < MIN_MEM_SIZE &&
-- 
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