diff options
author | Michael Pratt <mpratt@google.com> | 2018-05-11 12:23:25 -0700 |
---|---|---|
committer | Shentubot <shentubot@google.com> | 2018-05-11 12:24:15 -0700 |
commit | 8deabbaae1fc45b042d551891080deef866dc0f8 (patch) | |
tree | 23aff1527fcb4f352a639159b693264d1ddd0c4b /pkg/sentry/mm/address_space.go | |
parent | 12c161f27865d0e389cd593c669bd740d7f24692 (diff) |
Remove error return from AddressSpace.Release()
PiperOrigin-RevId: 196291289
Change-Id: Ie3487be029850b0b410b82416750853a6c4a2b00
Diffstat (limited to 'pkg/sentry/mm/address_space.go')
-rw-r--r-- | pkg/sentry/mm/address_space.go | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/pkg/sentry/mm/address_space.go b/pkg/sentry/mm/address_space.go index 4dd67b1ea..27554f163 100644 --- a/pkg/sentry/mm/address_space.go +++ b/pkg/sentry/mm/address_space.go @@ -114,12 +114,12 @@ func (mm *MemoryManager) Activate() error { } } -// Deactivate releases a release to the MemoryManager. -func (mm *MemoryManager) Deactivate() error { +// Deactivate releases a reference to the MemoryManager. +func (mm *MemoryManager) Deactivate() { // Fast path: this is not the last goroutine to deactivate the // MemoryManager. if atomicbitops.DecUnlessOneInt32(&mm.active) { - return nil + return } mm.activeMu.Lock() @@ -128,26 +128,21 @@ func (mm *MemoryManager) Deactivate() error { // Still active? if atomic.AddInt32(&mm.active, -1) > 0 { mm.activeMu.Unlock() - return nil + return } // Can we hold on to the address space? if !mm.p.CooperativelySchedulesAddressSpace() { mm.activeMu.Unlock() - return nil + return } // Release the address space. - if err := mm.as.Release(); err != nil { - atomic.StoreInt32(&mm.active, 1) - mm.activeMu.Unlock() - return err - } + mm.as.Release() // Lost it. mm.as = nil mm.activeMu.Unlock() - return nil } // mapASLocked maps addresses in ar into mm.as. If precommit is true, mappings |