summaryrefslogtreecommitdiffhomepage
path: root/pkg/sentry/syscalls/linux/sys_mmap.go
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/sentry/syscalls/linux/sys_mmap.go')
-rw-r--r--pkg/sentry/syscalls/linux/sys_mmap.go10
1 files changed, 7 insertions, 3 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_mmap.go b/pkg/sentry/syscalls/linux/sys_mmap.go
index 58a05b5bb..72786b032 100644
--- a/pkg/sentry/syscalls/linux/sys_mmap.go
+++ b/pkg/sentry/syscalls/linux/sys_mmap.go
@@ -22,8 +22,8 @@ import (
"gvisor.dev/gvisor/pkg/sentry/kernel"
"gvisor.dev/gvisor/pkg/sentry/memmap"
"gvisor.dev/gvisor/pkg/sentry/mm"
- "gvisor.dev/gvisor/pkg/sentry/usermem"
"gvisor.dev/gvisor/pkg/syserror"
+ "gvisor.dev/gvisor/pkg/usermem"
)
// Brk implements linux syscall brk(2).
@@ -35,6 +35,8 @@ func Brk(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallCo
return uintptr(addr), nil, nil
}
+// LINT.IfChange
+
// Mmap implements linux syscall mmap(2).
func Mmap(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
prot := args[2].Int()
@@ -73,7 +75,7 @@ func Mmap(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallC
}
defer func() {
if opts.MappingIdentity != nil {
- opts.MappingIdentity.DecRef()
+ opts.MappingIdentity.DecRef(t)
}
}()
@@ -83,7 +85,7 @@ func Mmap(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallC
if file == nil {
return 0, nil, syserror.EBADF
}
- defer file.DecRef()
+ defer file.DecRef(t)
flags := file.Flags()
// mmap unconditionally requires that the FD is readable.
@@ -104,6 +106,8 @@ func Mmap(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallC
return uintptr(rv), nil, err
}
+// LINT.ThenChange(vfs2/mmap.go)
+
// Munmap implements linux syscall munmap(2).
func Munmap(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
return 0, nil, t.MemoryManager().MUnmap(t, args[0].Pointer(), args[1].Uint64())