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List: kernel-janitors
Subject: [PATCH 6/9] drivers/staging/go7007: Eliminate useless code
From: Julia Lawall <julia () diku ! dk>
Date: 2010-01-16 15:59:22
Message-ID: Pine.LNX.4.64.1001161659000.28745 () ask ! diku ! dk
[Download RAW message or body]
From: Julia Lawall <julia@diku.dk>
The variable s is initialized twice to the same (side effect-free)
expression. Drop one initialization.
A simplified version of the semantic match that finds this problem is:
(http://coccinelle.lip6.fr/)
// <smpl>
@forall@
idexpression *x;
identifier f!=ERR_PTR;
@@
x = f(...)
... when != x
(
x = f(...,<+...x...+>,...)
|
* x = f(...)
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
---
drivers/staging/go7007/s2250-loader.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/go7007/s2250-loader.c b/drivers/staging/go7007/s2250-loader.c
index c152ab9..d9a3278 100644
--- a/drivers/staging/go7007/s2250-loader.c
+++ b/drivers/staging/go7007/s2250-loader.c
@@ -139,9 +139,9 @@ failed2:
static void s2250loader_disconnect(struct usb_interface *interface)
{
- pdevice_extension_t s = usb_get_intfdata(interface);
+ pdevice_extension_t s;
printk(KERN_INFO "s2250: disconnect\n");
lock_kernel();
s = usb_get_intfdata(interface);
--
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