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authorAdin Scannell <ascannell@google.com>2020-10-07 18:27:00 -0700
committergVisor bot <gvisor-bot@google.com>2020-10-07 18:29:05 -0700
commita55bd73d4802112a7055de8663e947b9c0f42a2e (patch)
tree712b84a6b5a2e255fb8898611a2f2bfbee1b015e /pkg/sentry/mm/vma.go
parentfcddfb0a715f8f738463cad137895728224668ba (diff)
Add staticcheck and staticstyle analyzers.
This change also adds support to go_stateify for detecting an appropriate receiver name, avoiding a large number of false positives. PiperOrigin-RevId: 335994587
Diffstat (limited to 'pkg/sentry/mm/vma.go')
-rw-r--r--pkg/sentry/mm/vma.go10
1 files changed, 5 insertions, 5 deletions
diff --git a/pkg/sentry/mm/vma.go b/pkg/sentry/mm/vma.go
index f769d8294..b8df72813 100644
--- a/pkg/sentry/mm/vma.go
+++ b/pkg/sentry/mm/vma.go
@@ -266,7 +266,7 @@ func (mm *MemoryManager) mlockedBytesRangeLocked(ar usermem.AddrRange) uint64 {
// * ar.Length() != 0.
func (mm *MemoryManager) getVMAsLocked(ctx context.Context, ar usermem.AddrRange, at usermem.AccessType, ignorePermissions bool) (vmaIterator, vmaGapIterator, error) {
if checkInvariants {
- if !ar.WellFormed() || ar.Length() <= 0 {
+ if !ar.WellFormed() || ar.Length() == 0 {
panic(fmt.Sprintf("invalid ar: %v", ar))
}
}
@@ -350,7 +350,7 @@ const guardBytes = 256 * usermem.PageSize
// * ar must be page-aligned.
func (mm *MemoryManager) unmapLocked(ctx context.Context, ar usermem.AddrRange) vmaGapIterator {
if checkInvariants {
- if !ar.WellFormed() || ar.Length() <= 0 || !ar.IsPageAligned() {
+ if !ar.WellFormed() || ar.Length() == 0 || !ar.IsPageAligned() {
panic(fmt.Sprintf("invalid ar: %v", ar))
}
}
@@ -371,7 +371,7 @@ func (mm *MemoryManager) unmapLocked(ctx context.Context, ar usermem.AddrRange)
// * ar must be page-aligned.
func (mm *MemoryManager) removeVMAsLocked(ctx context.Context, ar usermem.AddrRange) vmaGapIterator {
if checkInvariants {
- if !ar.WellFormed() || ar.Length() <= 0 || !ar.IsPageAligned() {
+ if !ar.WellFormed() || ar.Length() == 0 || !ar.IsPageAligned() {
panic(fmt.Sprintf("invalid ar: %v", ar))
}
}
@@ -511,7 +511,7 @@ func (vseg vmaIterator) mappableRangeOf(ar usermem.AddrRange) memmap.MappableRan
if vseg.ValuePtr().mappable == nil {
panic("MappableRange is meaningless for anonymous vma")
}
- if !ar.WellFormed() || ar.Length() <= 0 {
+ if !ar.WellFormed() || ar.Length() == 0 {
panic(fmt.Sprintf("invalid ar: %v", ar))
}
if !vseg.Range().IsSupersetOf(ar) {
@@ -536,7 +536,7 @@ func (vseg vmaIterator) addrRangeOf(mr memmap.MappableRange) usermem.AddrRange {
if vseg.ValuePtr().mappable == nil {
panic("MappableRange is meaningless for anonymous vma")
}
- if !mr.WellFormed() || mr.Length() <= 0 {
+ if !mr.WellFormed() || mr.Length() == 0 {
panic(fmt.Sprintf("invalid mr: %v", mr))
}
if !vseg.mappableRange().IsSupersetOf(mr) {