tree b65b691b7679bbf170a2eaa5354363d23a2c7d33
parent 0ead93120eb7bd770b32adc00b5ec1ee721626dc
author Paolo Bonzini <pbonzini@redhat.com> 1465906636 +0200
committer Paolo Bonzini <pbonzini@redhat.com> 1467201827 +0200

serial: make tsr_retry unsigned

It can never become negative; reflect this in the type of the field
and simplify the conditions.

Tested-by: Bret Ketchum <bcketchum@gmail.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>