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fs/fuse: don't dereference fuse.DeviceFD.fs if it is nil

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PiperOrigin-RevId: 342992936
This commit is contained in:
Andrei Vagin
2020-11-17 19:02:52 -08:00
committed by gVisor bot
parent 949742be88
commit 05223889bd
1 changed files with 1 additions and 1 deletions
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pkg/sentry/fsimpl/fuse/dev.go
+1 -1
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@@ -363,7 +363,7 @@ func (fd *DeviceFD) Readiness(mask waiter.EventMask) waiter.EventMask {
func (fd *DeviceFD) readinessLocked(mask waiter.EventMask) waiter.EventMask {
var ready waiter.EventMask
if fd.fs.umounted {
if fd.fs == nil || fd.fs.umounted {
ready |= waiter.EventErr
return ready & mask
}