>From a1d8ec5966fb20dcc30f40ee3a253f3228d7e716 Mon Sep 17 00:00:00 2001 From: Oliver Neukum <oliver@xxxxxxxxxx> Date: Fri, 27 Apr 2012 14:36:37 +0200 Subject: [PATCH 2/2] cdc-wdm: fix memory leak cleanup() is not called if the last close() comes after disconnect(). That leads to a memory leak. Rectified by checking for an earlier disconnect() in release() Signed-off-by: Oliver Neukum <oneukum@xxxxxxx> --- drivers/usb/class/cdc-wdm.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 0209b46..6bf1a40 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -625,6 +625,8 @@ static int wdm_release(struct inode *inode, struct file *file) kill_urbs(desc); if (!test_bit(WDM_DISCONNECTING, &desc->flags)) desc->manage_power(desc->intf, 0); + else + cleanup(desc); } mutex_unlock(&wdm_mutex); return 0; -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
