romcc: properly check out-of-range unsigned longs

Testing if an unsigned long is greater than ULONG_T_MAX isn't very
useful. The second half of the test checked for too small values
(ie. <= -ULONG_T_MAX).

In both cases errno is set to ERANGE, so just check for that.

Change-Id: I92bad9d1715673531bef5d5d5756feddeb7674b4
Found-by: Coverity Scan
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/6568
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

0 files changed, 0 insertions, 0 deletions