NULL affinity dereference in C-EDF.wip-migration-affinity

C-EDF needs to check to see if affinity is not NULL before
checking if affinity-selected CPU is in current cluster.

1 files changed, 1 insertions, 1 deletions

diff --git a/litmus/sched_cedf.c b/litmus/sched_cedf.c
index 1538695c1c1d..9678f0433bb7 100644
--- a/litmus/sched_cedf.c
+++ b/litmus/sched_cedf.c
@@ -270,7 +270,7 @@ static cpu_entry_t* cedf_get_nearest_available_cpu(
         get_nearest_available_cpu(affinity, start, cedf_cpu_entries, -1);
 
         /* make sure CPU is in our cluster */
-        if(cpu_isset(affinity->cpu, *cluster->cpu_map))
+        if(affinity && cpu_isset(affinity->cpu, *cluster->cpu_map))
                 return(affinity);
         else
                 return(NULL);