kdbus: cmdline emptiness check fix

Change-Id: Ia925fa43bf4c50ab707be98f275b50808782f063

diff --git a/ipc/kdbus/metadata.c b/ipc/kdbus/metadata.c
index 3adc6c2c2e766be8cd25684dfca3394a3e75ea54..501bebda7d849ca03b1f25705bb106350ccb4cce 100644 (file)
--- a/ipc/kdbus/metadata.c
+++ b/ipc/kdbus/metadata.c
@@ -311,7 +311,7 @@ static int kdbus_meta_proc_collect_cmdline(struct kdbus_meta_proc *mp)
        if (!mm)
                return 0;
 
-       if (!mm->arg_end) {
+       if (mm->arg_start >= mm->arg_end) {
                mmput(mm);
                return 0;
        }