sdjournal: lock access to function pointers map

iaguis · iaguis · commit c14ce9e67677 · 2016-03-17T09:43:41.000+01:00
Maps are not safe for concurrent use in go.
diff --git a/sdjournal/journal.go b/sdjournal/journal.go
@@ -261,6 +261,8 @@ func (m *Match) String() string {
 }
 
 func (j *Journal) getFunction(name string) (unsafe.Pointer, error) {
+	j.mu.Lock()
+	defer j.mu.Unlock()
 	f, ok := libsystemdFunctions[name]
 	if !ok {
 		var err error

Original file line number	Diff line number	Diff line change
`@@ -261,6 +261,8 @@ func (m *Match) String() string {`
`261`	`261`	`}`
`262`	`262`
`263`	`263`	`func (j *Journal) getFunction(name string) (unsafe.Pointer, error) {`
	`264`	`+ j.mu.Lock()`
	`265`	`+ defer j.mu.Unlock()`
`264`	`266`	`f, ok := libsystemdFunctions[name]`
`265`	`267`	`if !ok {`
`266`	`268`	`var err error`