lguest: make check_gpte et. al return bool.
authorRusty Russell <rusty@rustcorp.com.au>
Mon, 22 Apr 2013 04:40:39 +0000 (13:40 +0930)
committerRusty Russell <rusty@rustcorp.com.au>
Mon, 22 Apr 2013 06:01:39 +0000 (15:01 +0930)
commite1d12606f756bdb8328a66a2873dca6c46bcb4e5
tree25464220a1fe74504cd5a8d0801913594e25539d
parent93a2cdff98243df06bafd3c4f3b31b38f0d0fe3e
lguest: make check_gpte et. al return bool.

This is a bit neater: we can immediately return if a PTE/PGD/PMD entry
is invalid (which also kills the guest).  It means we don't risk using
invalid entries as we reshuffle the code.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
drivers/lguest/page_tables.c