linux-kernel - [PATCH] Fixed use of rounddown_pow_of

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Message-ID: <4EC7AFDF.6030009@gmail.com>
Date:	Sat, 19 Nov 2011 14:32:15 +0100
From:	Marco Stornelli <marco.stornelli@...il.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>,
	torvalds@...ux-foundation.org
CC:	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] Fixed use of rounddown_pow_of_two in ramoops

From: Marco Stornelli <marco.stornelli@...il.com>

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@...il.com>
---
 drivers/char/ramoops.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c
index 7c7f42a1f8..9658116 100644
--- a/drivers/char/ramoops.c
+++ b/drivers/char/ramoops.c
@@ -126,8 +126,8 @@ 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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