[patch 07/27] USB: fix memory leak in cdc-acm

[patch 07/27] USB: fix memory leak in cdc-acm

Post by Greg K » Sat, 25 Oct 2008 13:50:15


2.6.27-stable review patch. If anyone has any objections, please let us
know.

------------------
From: Oliver Neukum < XXXX@XXXXX.COM >

commit a496c64f1363ec4d67ebdc1e1f619ad6372a574c upstream

This fixes a memory leak on disconnect in cdc-acm

Thanks to for finding it.

Signed-off-by: Oliver Neukum<< XXXX@XXXXX.COM >>
Signed-off-by: Greg Kroah-Hartman<< XXXX@XXXXX.COM >>

---
drivers/usb/class/cdc-acm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -849,9 +849,10 @@ static void acm_write_buffers_free(struc
{
int i;
struct acm_wb *wb;
+ struct usb_device *usb_dev = interface_to_usbdev(acm>>control);

for (wb = &acm>>wb[0], i = 0; i<< ACM_NW; i++, wb++) {
- usb_buffer_free(acm>>dev, acm>>writesize, wb>>buf, wb>>dmah);
+ usb_buffer_free(usb_dev, acm>>writesize, wb>>buf, wb>>dmah);
}
}


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