Kernel: Mark Process::jail() method as const

We really don't want callers of this function to accidentally change
the jail, or even worse - remove the Process from an attached jail.
To ensure this never happens, we can just declare this method as const
so nobody can mutate it this way.

1 files changed, 1 insertions, 1 deletions

diff --git a/Kernel/Devices/Device.cpp b/Kernel/Devices/Device.cpp
index df306c7d92..8e9cd4dd45 100644
--- a/Kernel/Devices/Device.cpp
+++ b/Kernel/Devices/Device.cpp
@@ -60,7 +60,7 @@ ErrorOr<NonnullOwnPtr<KString>> Device::pseudo_path(OpenFileDescription const&)
 
 ErrorOr<NonnullLockRefPtr<OpenFileDescription>> Device::open(int options)
 {
-    TRY(Process::current().jail().with([&](auto& my_jail) -> ErrorOr<void> {
+    TRY(Process::current().jail().with([&](auto const& my_jail) -> ErrorOr<void> {
         if (my_jail && !is_openable_by_jailed_processes())
             return Error::from_errno(EPERM);
         return {};