[PATCH v1] usb: usbfs: fix double-free of usb memory upon submiturb error

[gavinli]

From: Gavin Li <g...@thegavinli.com>

Upon an error within proc_do_submiturb(), dec_usb_memory_use_count()
gets called once by the error handling tail and again by free_async().
Remove the first call.

Signed-off-by: Gavin Li <g...@thegavinli.com>
---
 drivers/usb/core/devio.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index fa783531ee88..f026a0d54ce5 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1789,8 +1789,6 @@ static int proc_do_submiturb(struct usb_dev_state *ps, 
struct usbdevfs_urb *uurb
        return 0;
 
  error:
-       if (as && as->usbm)
-               dec_usb_memory_use_count(as->usbm, &as->usbm->urb_use_count);
        kfree(isopkt);
        kfree(dr);
        if (as)
-- 
2.22.0