Backport uio fixes to 4.14, to fix use-after-free memory errors.
Changed __poll_t to unsigned int as the former not found in 4.14, and resolved some patch context conflicts.
Hailong Liu (1): uio: fix wrong return value from uio_mmap()
Hamish Martin (2): uio: Reduce return paths from uio_write() uio: Prevent device destruction while fds are open
Xiubo Li (5): uio: use request_threaded_irq instead uio: change to use the mutex lock instead of the spin lock uio: fix crash after the device is unregistered uio: fix possible circular locking dependency Revert "uio: use request_threaded_irq instead"
drivers/uio/uio.c | 206 ++++++++++++++++++++++++++++--------- include/linux/uio_driver.h | 4 +- 2 files changed, 163 insertions(+), 47 deletions(-)