linux-kernel - [PATCH 3/3] drivers/mmc/host/pxamci.c: Convert release_resource to release_mem

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Date:	Tue, 22 Mar 2011 18:14:55 +0100
From:	Julia Lawall <julia@...u.dk>
To:	Chris Ball <cjb@...top.org>
Cc:	kernel-janitors@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	Marek Vasut <marek.vasut@...il.com>, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] drivers/mmc/host/pxamci.c: Convert release_resource to release_mem_region

Request_mem_region should be used with release_mem_region, not
release_resource.

A semantic patch that partially fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@b@
expression x,E;
@@

x = request_mem_region(x->start,...)
... when != release_mem_region(x->start,...)
    when != x = E
(
- release_resource(x);
- kfree(x);
+  release_mem_region(x->start,resource_size(x));
|
?- release_resource(x);
+  release_mem_region(x->start,resource_size(x));
)
// </smpl>

Signed-off-by: Julia Lawall <julia@...u.dk>

---
 drivers/mmc/host/pxamci.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 7257738..b6e7e64 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -774,7 +774,7 @@ err_gpio_ro:
 	}
 	if (mmc)
 		mmc_free_host(mmc);
-	release_resource(r);
+	release_mem_region(r->start, resource_size(r));
 	return ret;
 }
 
@@ -824,7 +824,7 @@ static int pxamci_remove(struct platform_device *pdev)
 
 		clk_put(host->clk);
 
-		release_resource(host->res);
+		release_mem_region(host->res->start, resource_size(host->res));
 
 		mmc_free_host(mmc);
 	}

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