* [PATCH 2/4] net/ariadne: delete unneeded call to netdev_priv
@ 2014-05-15 3:43 Julia Lawall
2014-05-15 20:58 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Julia Lawall @ 2014-05-15 3:43 UTC (permalink / raw)
To: netdev; +Cc: kernel-janitors, linux-kernel
From: Julia Lawall <Julia.Lawall@lip6.fr>
Netdev_priv is an accessor function, and has no purpose if its result is
not used.
A simplified version of the semantic match that fixes this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@ local idexpression x; @@
-x = netdev_priv(...);
... when != x
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
---
drivers/net/ethernet/amd/ariadne.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/net/ethernet/amd/ariadne.c b/drivers/net/ethernet/amd/ariadne.c
index b08101b..968b7bf 100644
--- a/drivers/net/ethernet/amd/ariadne.c
+++ b/drivers/net/ethernet/amd/ariadne.c
@@ -718,7 +718,6 @@ static int ariadne_init_one(struct zorro_dev *z,
unsigned long mem_start = board + ARIADNE_RAM;
struct resource *r1, *r2;
struct net_device *dev;
- struct ariadne_private *priv;
u32 serial;
int err;
@@ -738,8 +737,6 @@ static int ariadne_init_one(struct zorro_dev *z,
return -ENOMEM;
}
- priv = netdev_priv(dev);
-
r1->name = dev->name;
r2->name = dev->name;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 2/4] net/ariadne: delete unneeded call to netdev_priv
2014-05-15 3:43 [PATCH 2/4] net/ariadne: delete unneeded call to netdev_priv Julia Lawall
@ 2014-05-15 20:58 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2014-05-15 20:58 UTC (permalink / raw)
To: Julia.Lawall; +Cc: netdev, kernel-janitors, linux-kernel
From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Thu, 15 May 2014 05:43:19 +0200
> From: Julia Lawall <Julia.Lawall@lip6.fr>
>
> Netdev_priv is an accessor function, and has no purpose if its result is
> not used.
>
> A simplified version of the semantic match that fixes this problem is as
> follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@ local idexpression x; @@
> -x = netdev_priv(...);
> ... when != x
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Applied.
^ permalink raw reply [flat|nested] 2+ messages in thread
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