From a496c64f1363ec4d67ebdc1e1f619ad6372a574c Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Tue, 21 Oct 2008 10:39:04 +0200 Subject: [PATCH] USB: fix memory leak in cdc-acm MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This fixes a memory leak on disconnect in cdc-acm Thanks to 施金前 for finding it. Signed-off-by: Oliver Neukum Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index fab23ee8702b..20104443081a 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -849,9 +849,10 @@ static void acm_write_buffers_free(struct acm *acm) { 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); } } -- 2.20.1