diff options
| author | Julia Lawall <julia@diku.dk> | 2010-05-15 23:15:44 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-20 22:21:49 +0200 |
| commit | 4b8e12336fede9e30b6140e840431161d46cf677 (patch) | |
| tree | 54242b26f4c80b497904c925842cb56a6c69c0a2 | |
| parent | USB: CP210x New Device IDs 11 New device IDs (diff) | |
| download | linux-4b8e12336fede9e30b6140e840431161d46cf677.tar.xz linux-4b8e12336fede9e30b6140e840431161d46cf677.zip | |
USB: gadget: Use kmemdup
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/usb/gadget/atmel_usba_udc.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c index 75a256f3d45b..d623c7bda1f6 100644 --- a/drivers/usb/gadget/atmel_usba_udc.c +++ b/drivers/usb/gadget/atmel_usba_udc.c @@ -48,10 +48,9 @@ static int queue_dbg_open(struct inode *inode, struct file *file) spin_lock_irq(&ep->udc->lock); list_for_each_entry(req, &ep->queue, queue) { - req_copy = kmalloc(sizeof(*req_copy), GFP_ATOMIC); + req_copy = kmemdup(req, sizeof(*req_copy), GFP_ATOMIC); if (!req_copy) goto fail; - memcpy(req_copy, req, sizeof(*req_copy)); list_add_tail(&req_copy->queue, queue_data); } spin_unlock_irq(&ep->udc->lock); |