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(parent: fc05481) | patch
usb: usbfs: fix double-free of usb memory upon submiturb error
authorGavin Li <git@thegavinli.com>
Sun, 4 Aug 2019 23:50:44 +0000 (16:50 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 5 Aug 2019 15:27:52 +0000 (17:27 +0200)
commitc43f28dfdc4654e738aa6d3fd08a105b2bee758d
tree5c875723c4a6058d66bacab1d7ccf3059f391744tree | snapshot
parentfc05481b2fcabaaeccf63e32ac1baab54e5b6963commit | diff
usb: usbfs: fix double-free of usb memory upon submiturb error

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@thegavinli.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190804235044.22327-1-gavinli@thegavinli.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/core/devio.c diff | blob | history
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