lint: add missing panic handlers in goroutines

These issues were all reported by the new custom analyzer introduced in
previous commit.

Signed-off-by: Robin Jarry <robin@jarry.cc>
Tested-by: Bence Ferdinandy <bence@ferdinandy.com>

3 files changed, 5 insertions, 0 deletions

diff --git a/worker/imap/cache.go b/worker/imap/cache.go
index b8673ae7..352ef313 100644
--- a/worker/imap/cache.go
+++ b/worker/imap/cache.go
@@ -145,6 +145,7 @@ func cacheDir() (string, error) {
 
 // cleanCache removes stale entries from the selected mailbox cachedb
 func (w *IMAPWorker) cleanCache(path string) {
+	defer log.PanicHandler()
 	start := time.Now()
 	var scanned, removed int
 	iter := w.cache.NewIterator(nil, nil)
diff --git a/worker/imap/connect.go b/worker/imap/connect.go
index d6c946db..5be916e7 100644
--- a/worker/imap/connect.go
+++ b/worker/imap/connect.go
@@ -111,6 +111,7 @@ func newTCPConn(addr string, timeout time.Duration) (*net.TCPConn, error) {
 
 	done := make(chan tcpConn)
 	go func() {
+		defer log.PanicHandler()
 		addr, err := net.ResolveTCPAddr("tcp", addr)
 		if err != nil {
 			done <- tcpConn{nil, err}
@@ -129,6 +130,7 @@ func newTCPConn(addr string, timeout time.Duration) (*net.TCPConn, error) {
 	select {
 	case <-time.After(timeout):
 		go func() {
+			defer log.PanicHandler()
 			if tcpResult := <-done; tcpResult.conn != nil {
 				tcpResult.conn.Close()
 			}
diff --git a/worker/imap/observer.go b/worker/imap/observer.go
index 2cfe8bd9..9ad311dd 100644
--- a/worker/imap/observer.go
+++ b/worker/imap/observer.go
@@ -76,6 +76,7 @@ func (o *observer) Start() {
 		return
 	}
 	go func() {
+		defer log.PanicHandler()
 		select {
 		case <-o.client.LoggedOut():
 			o.log("<-logout")
@@ -129,6 +130,7 @@ func (o *observer) DelayedReconnect() error {
 	}
 
 	go func() {
+		defer log.PanicHandler()
 		<-time.After(wait)
 		o.emit(reterr.Error())
 	}()