Fix segfault when libibverbs returns 0 device. (#1820)

Fix: SWDEV-543816 [ROCm/rccl commit: 3c9c22bb52]
2025-07-23 15:18:52 -05:00
parent caff9764d3
commit 866058c6d9
1 changed files with 1 additions and 0 deletions
@@ -107,6 +107,7 @@ ncclResult_t wrap_ibv_get_device_list(struct ibv_device ***ret, int *num_devices
 }

 ncclResult_t wrap_ibv_free_device_list(struct ibv_device **list) {
+  if (list == nullptr) return ncclSuccess;
  IBV_PASSTHRU(ibvSymbols, ibv_internal_free_device_list, ibv_internal_free_device_list(list));
 }