Automatic merge from submit-queue (batch tested with PRs 59536, 61104, 61030, 59013, 61169). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

fix incorrect logic in glusterfs.go#canSupport

**What this PR does / why we need it**:
if `spec.PersistentVolume` is nil or `spec.Volume` is nil, func `canSupport` should return false.

**Release note**:
```
NONE
```
/release-note-none
/sig storage