[PATCH 2/2] fs/kernel_read_file: use usermodehelper_read_trylock() as a stop gap

[Luis Chamberlain]

On Fri, Apr 16, 2021 at 11:58:50PM +0000, Luis Chamberlain wrote:
> The endless wait for the read which the piece of hardware never got
> stalls resume as sync calls are all asynchronous.

Sorry, this should read:

The endless wait for the read, which the piece of hardware never got,
stalls resume as all pm resume calls are serialized and synchronous.

  Luis