Best provider might be NULL (#26279)

Don't set the maximum messages size if the provider is NULL (no provider was found). [Reviewed by @jabraham17, thank you.]
chapel-lang · Nov 21, 2024 · 0c5f14d · 0c5f14d
2 parents 53bee29 + abb3cab
commit 0c5f14d
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/runtime/src/comm/ofi/comm-ofi.c b/runtime/src/comm/ofi/comm-ofi.c
@@ -1617,9 +1617,11 @@ struct fi_info* findProvInList(struct fi_info* info,
 
   // Set the maximum message size if specified
 
-  best->ep_attr->max_msg_size =
-    chpl_env_rt_get_int("COMM_OFI_MAX_MSG_SIZE",
-                        best->ep_attr->max_msg_size);
+  if (best) {
+    best->ep_attr->max_msg_size =
+      chpl_env_rt_get_int("COMM_OFI_MAX_MSG_SIZE",
+                          best->ep_attr->max_msg_size);
+  }
 
   return (best == NULL) ? NULL : fi_dupinfo(best);
 }