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Bluetooth: Use kmemdup for drivers 

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 <julia@diku.dk>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Julia Lawall 2010-05-15 23:19:15 +02:00 committed by Marcel Holtmann
parent d1d10d7830
commit 5ee283c063
1 changed files with 1 additions and 2 deletions
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3
drivers/bluetooth/bcm203x.c
View File

@ -224,7 +224,7 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
BT_DBG("firmware data %p size %zu", firmware->data, firmware->size);
data->fw_data = kmalloc(firmware->size, GFP_KERNEL);
data->fw_data = kmemdup(firmware->data, firmware->size, GFP_KERNEL);
if (!data->fw_data) {
BT_ERR("Can't allocate memory for firmware image");
release_firmware(firmware);
@ -234,7 +234,6 @@ static int bcm203x_probe(struct usb_interface *intf, const struct usb_device_id
return -ENOMEM;
}
memcpy(data->fw_data, firmware->data, firmware->size);
data->fw_size = firmware->size;
data->fw_sent = 0;