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Fixing locking in ReadControl and WriteControl methods

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PiperOrigin-RevId: 542928364
This commit is contained in:
Shambhavi Srivastava
2023-06-23 12:30:18 -07:00
committed by gVisor bot
parent f9c9fbe018
commit 3591d91386
1 changed files with 0 additions and 6 deletions
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pkg/sentry/fsimpl/cgroupfs/base.go
-6
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@@ -340,9 +340,6 @@ func (c *cgroupInode) Charge(t *kernel.Task, d *kernfs.Dentry, ctlType kernel.Cg
// ReadControl implements kernel.CgroupImpl.ReadControl.
func (c *cgroupInode) ReadControl(ctx context.Context, name string) (string, error) {
c.fs.tasksMu.RLock()
defer c.fs.tasksMu.RUnlock()
cfi, err := c.Lookup(ctx, name)
if err != nil {
return "", fmt.Errorf("no such control file")
@@ -362,9 +359,6 @@ func (c *cgroupInode) ReadControl(ctx context.Context, name string) (string, err
// WriteControl implements kernel.CgroupImpl.WriteControl.
func (c *cgroupInode) WriteControl(ctx context.Context, name string, value string) error {
c.fs.tasksMu.RLock()
defer c.fs.tasksMu.RUnlock()
cfi, err := c.Lookup(ctx, name)
if err != nil {
return fmt.Errorf("no such control file")