From: Henk Vergonet Date: Fri, 8 Sep 2006 00:21:01 +0000 (+0200) Subject: USB: Fix unload oops and memory leak in yealink driver X-Git-Tag: v2.6.18-rc7~4^2 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e2aac366f40f4cf4f3b1d9101b27f703998dfbc;p=linux-2.6 USB: Fix unload oops and memory leak in yealink driver This patch fixes a memory leak and a kernel oops when trying to unload the driver, due to an unbalanced cleanup. Thanks Ivar Jensen for spotting my mistake. Signed-off-by: Henk Vergonet Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/input/yealink.c b/drivers/usb/input/yealink.c index 575a4e672e..7b45fd3de9 100644 --- a/drivers/usb/input/yealink.c +++ b/drivers/usb/input/yealink.c @@ -810,12 +810,9 @@ static int usb_cleanup(struct yealink_dev *yld, int err) if (yld == NULL) return err; - if (yld->urb_irq) { - usb_kill_urb(yld->urb_irq); - usb_free_urb(yld->urb_irq); - } - if (yld->urb_ctl) - usb_free_urb(yld->urb_ctl); + usb_kill_urb(yld->urb_irq); /* parameter validation in core/urb */ + usb_kill_urb(yld->urb_ctl); /* parameter validation in core/urb */ + if (yld->idev) { if (err) input_free_device(yld->idev); @@ -831,6 +828,9 @@ static int usb_cleanup(struct yealink_dev *yld, int err) if (yld->irq_data) usb_buffer_free(yld->udev, USB_PKT_LEN, yld->irq_data, yld->irq_dma); + + usb_free_urb(yld->urb_irq); /* parameter validation in core/urb */ + usb_free_urb(yld->urb_ctl); /* parameter validation in core/urb */ kfree(yld); return err; }