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Add error check to avoid panic (#4584)

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* Add error check to avoid panic

Signed-off-by: Cookie Wang <luckymrwang@163.com>

* Add error check to avoid panic

Signed-off-by: Cookie Wang <luckymrwang@163.com>

Co-authored-by: Cookie Wang <luckymrwang@163.com>
This commit is contained in:
wangchenglong01 2021-05-04 16:08:06 +08:00 committed by GitHub
parent 40edf1e566
commit b881a1ef13
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 1 deletions
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5
plugin/hosts/hostsfile.go
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@ -117,11 +117,14 @@ func (h *Hostsfile) readHosts() {
defer file.Close() defer file.Close()
stat, err := file.Stat() stat, err := file.Stat()
if err != nil {
return
}
h.RLock() h.RLock()
size := h.size size := h.size
h.RUnlock() h.RUnlock()
if err == nil && h.mtime.Equal(stat.ModTime()) && size == stat.Size() { if h.mtime.Equal(stat.ModTime()) && size == stat.Size() {
return return
} }