On 8/1/19 5:06 AM, Stefan Haberland wrote: > After getting a storage server event that causes the DASD device driver > to update its unit address configuration during a device shutdown there is > the possibility of an endless loop in the device driver. > > In the system log there will be ongoing DASD error messages with RC: -19. > > The reason is that the loop starting the ruac request only terminates when > the retry counter is decreased to 0. But in the sleep_on function there are > early exit paths that do not decrease the retry counter. > > Prevent an endless loop by handling those cases separately. > > Remove the unnecessary do..while loop since the sleep_on function takes > care of retries by itself. Applied for 5.3, thanks. -- Jens Axboe
