When uacce is working, uacce parent module can be rmmod, parent device can also be removed anytime, which may cause concurrency issues. Here solve the concurrency issue.
Jean-Philippe Brucker (1): uacce: Handle parent device removal
Zhangfei Gao (1): uacce: Handle parent driver module removal
drivers/misc/uacce/uacce.c | 135 ++++++++++++++++++++++++------------- include/linux/uacce.h | 6 +- 2 files changed, 92 insertions(+), 49 deletions(-)