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(parent: e5b9134) | patch
usb: gadget: fix potential double-free in m66592_probe.
authorQiushi Wu <wu000273@umn.edu>
Sat, 23 May 2020 04:06:25 +0000 (23:06 -0500)
committerFelipe Balbi <balbi@kernel.org>
Mon, 25 May 2020 08:09:43 +0000 (11:09 +0300)
commit44734a594196bf1d474212f38fe3a0d37a73278b
tree152fddaf4cc59fae8d118ee177eda40900010af9tree | snapshot
parente5b913496099527abe46e175e5e2c844367bded0commit | diff
usb: gadget: fix potential double-free in m66592_probe.

m66592_free_request() is called under label "err_add_udc"
and "clean_up", and m66592->ep0_req is not set to NULL after
first free, leading to a double-free. Fix this issue by
setting m66592->ep0_req to NULL after the first free.

Fixes: 0f91349b89f3 ("usb: gadget: convert all users to the new udc infrastructure")
Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
drivers/usb/gadget/udc/m66592-udc.c diff | blob | history