tree 935c776cb9927f34b7038247249e4de68c93a562
parent f4c72cc737561aab0d9c7f877abbc0a853f1c465
author Atsushi Nemoto <anemo@mba.ocn.ne.jp> 1129719434 +0900
committer Ralf Baechle <ralf@linux-mips.org> 1130610764 +0100

Fix zero length sys_cacheflush
    
Cacheflush(0, 0, 0) was crashing the system.  This is because
flush_icache_range(start, end) tries to flushing whole address space
(0 - ~0UL) if both start and end are zero.
    
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>