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-rw-r--r--libcrystfel/src/events.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libcrystfel/src/events.c b/libcrystfel/src/events.c
index 3e23fe65..df4cb586 100644
--- a/libcrystfel/src/events.c
+++ b/libcrystfel/src/events.c
@@ -270,6 +270,8 @@ void free_event_list(struct event_list *el)
{
int ei;
+ if ( el == NULL ) return;
+
for ( ei=0; ei<el->num_events; ei++ ) {
free_event(el->events[ei]);
}