bug fix in swim random member selection

019ff29d · Shane Snyder · c11bc25c · 019ff29d
Commit 019ff29d authored Apr 19, 2017 by Shane Snyder
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src/swim-fd/swim-fd.c src/swim-fd/swim-fd.c +3 -0

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--- a/src/swim-fd/swim-fd.c
+++ b/src/swim-fd/swim-fd.c
@@ -426,6 +426,9 @@ static int swim_get_rand_group_member_set(ssg_t s, int *member_ranks,
    int rand_member;
    int avail_members = s->view.group_size - 1;

+    if(num_members == 0)
+        return(0);
+
    if(excluded_rank != SSG_MEMBER_RANK_UNKNOWN)
        avail_members--;