From: Gavin Li <git@xxxxxxxxxxxxxx> commit c43f28dfdc4654e738aa6d3fd08a105b2bee758d upstream. 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 <git@xxxxxxxxxxxxxx> Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20190804235044.22327-1-gavinli@xxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/core/devio.c | 2 -- 1 file changed, 2 deletions(-) --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1792,8 +1792,6 @@ static int proc_do_submiturb(struct usb_ 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)
