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authorOliver Neukum <oliver@neukum.org>2008-10-21 10:39:04 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2008-10-22 10:05:29 -0700
commita496c64f1363ec4d67ebdc1e1f619ad6372a574c (patch)
treec370f2167bbe2e4677bb7c48aa2cd7f8c2d888a6 /drivers/usb/class
parente8fab4ce763c36869624c5388714ff19c30a91a7 (diff)
USB: fix memory leak in cdc-acm
This fixes a memory leak on disconnect in cdc-acm Thanks to 施金前 for finding it. Signed-off-by: Oliver Neukum <oneukum@suse.de> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/cdc-acm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index fab23ee8702..20104443081 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);
}
}