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drivers/net/usb: Use kmemdup

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Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Julia Lawall 2010-05-15 11:23:15 +00:00 • committed by David S. Miller
commit 5476b8b225
1 changed files with 1 additions and 2 deletions
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3
drivers/net/usb/dm9601.c
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@ -93,10 +93,9 @@ static int dm_write(struct usbnet *dev, u8 reg, u16 length, void *data)
netdev_dbg(dev->net, "dm_write() reg=0x%02x, length=%d\n", reg, length);
if (data) {
buf = kmalloc(length, GFP_KERNEL);
buf = kmemdup(data, length, GFP_KERNEL);
if (!buf)
goto out;
memcpy(buf, data, length);
}
err = usb_control_msg(dev->udev,