在 2021/12/21 3:17, Luis Chamberlain 写道:
On Mon, Dec 20, 2021 at 05:26:27PM +0800, Baokun Li wrote:When we pass a negative value to the proc_doulongvec_minmax() function, the function returns 0, but the corresponding interface value does not change. we can easily reproduce this problem with the following commands: `cd /proc/sys/fs/epoll` `echo -1 > max_user_watches; echo $?; cat max_user_watches` This function requires a non-negative number to be passed in, so when a negative number is passed in, -EINVAL is returned. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>Acked-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> Luis .
Thank you for your Ack. -- With Best Regards, Baokun Li
