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* [PATCH 3/3] drivers/net/a2065.c: Convert release_resource to release_region/release_mem_region
@ 2011-03-22 17:15 Julia Lawall
  2011-03-23 21:10 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Julia Lawall @ 2011-03-22 17:15 UTC (permalink / raw)
  To: David S. Miller
  Cc: kernel-janitors, Eric Dumazet, Tejun Heo, Jiri Pirko,
	Geert Uytterhoeven, netdev, linux-kernel

Request_mem_region should be used with release_mem_region, not
release_resource.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,E;
@@
*x = request_mem_region(...)
... when != release_mem_region(x)
    when != x = E
* release_resource(x);
// </smpl>

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

---
 drivers/net/a2065.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c
index f142cc2..deaa8bc 100644
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -711,14 +711,14 @@ static int __devinit a2065_init_one(struct zorro_dev *z,
 		return -EBUSY;
 	r2 = request_mem_region(mem_start, A2065_RAM_SIZE, "RAM");
 	if (!r2) {
-		release_resource(r1);
+		release_mem_region(base_addr, sizeof(struct lance_regs));
 		return -EBUSY;
 	}
 
 	dev = alloc_etherdev(sizeof(struct lance_private));
 	if (dev == NULL) {
-		release_resource(r1);
-		release_resource(r2);
+		release_mem_region(base_addr, sizeof(struct lance_regs));
+		release_mem_region(mem_start, A2065_RAM_SIZE);
 		return -ENOMEM;
 	}
 
@@ -764,8 +764,8 @@ static int __devinit a2065_init_one(struct zorro_dev *z,
 
 	err = register_netdev(dev);
 	if (err) {
-		release_resource(r1);
-		release_resource(r2);
+		release_mem_region(base_addr, sizeof(struct lance_regs));
+		release_mem_region(mem_start, A2065_RAM_SIZE);
 		free_netdev(dev);
 		return err;
 	}


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 3/3] drivers/net/a2065.c: Convert release_resource to release_region/release_mem_region
  2011-03-22 17:15 [PATCH 3/3] drivers/net/a2065.c: Convert release_resource to release_region/release_mem_region Julia Lawall
@ 2011-03-23 21:10 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2011-03-23 21:10 UTC (permalink / raw)
  To: julia
  Cc: kernel-janitors, eric.dumazet, tj, jpirko, geert, netdev, linux-kernel

From: Julia Lawall <julia@diku.dk>
Date: Tue, 22 Mar 2011 18:15:23 +0100

> Request_mem_region should be used with release_mem_region, not
> release_resource.
> 
> The semantic match that finds this problem is as follows:
> (http://coccinelle.lip6.fr/)
 ...
> Signed-off-by: Julia Lawall <julia@diku.dk>

Applied.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2011-03-22 17:15 [PATCH 3/3] drivers/net/a2065.c: Convert release_resource to release_region/release_mem_region Julia Lawall
2011-03-23 21:10 ` David Miller

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