Fix 'mullvad split-tunnel clear' getting stuck

Reading from mullvad-exclude's `cgroup.procs` immediately after
moving a process to its parent causes it to be moved back to the
mullvad-exclude cgroup. This causes 'mullvad split-tunnel clear' to
never complete.

1 files changed, 3 insertions, 7 deletions

diff --git a/talpid-core/src/split_tunnel/linux/mod.rs b/talpid-core/src/split_tunnel/linux/mod.rs
index 79df04fae6..47c9b702f7 100644
--- a/talpid-core/src/split_tunnel/linux/mod.rs
+++ b/talpid-core/src/split_tunnel/linux/mod.rs
@@ -218,13 +218,9 @@ impl Inner {
 
     /// Removes all PIDs from the Cgroup.
     fn clear(&mut self) -> Result<(), Error> {
-        let mut pids = self.list()?;
-        while !pids.is_empty() {
-            for pid in pids {
-                let pid = Pid::from_raw(pid);
-                self.remove(pid)?;
-            }
-            pids = self.list()?;
+        for pid in self.list()? {
+            let pid = Pid::from_raw(pid);
+            self.remove(pid)?;
         }
         Ok(())
     }