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gpio: mockup: fix NULL pointer dereference when removing debugfs
commit b7df41a upstream. We now remove the device's debugfs entries when unbinding the driver. This now causes a NULL-pointer dereference on module exit because the platform devices are unregistered *after* the global debugfs directory has been recursively removed. Fix it by unregistering the devices first. Fixes: 303e6da ("gpio: mockup: remove gpio debugfs when remove device") Cc: Wei Yongjun <weiyongjun1@huawei.com> Cc: stable@vger.kernel.org Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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