diff options
| -rw-r--r-- | src/core/lib/iomgr/ev_epollex_linux.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/core/lib/iomgr/ev_epollex_linux.cc b/src/core/lib/iomgr/ev_epollex_linux.cc index 1e8de8910e..8035159b5a 100644 --- a/src/core/lib/iomgr/ev_epollex_linux.cc +++ b/src/core/lib/iomgr/ev_epollex_linux.cc @@ -1323,8 +1323,10 @@ static void pollset_set_add_pollset_set(grpc_exec_ctx *exec_ctx, a->pollsets = (pollable **)gpr_realloc( a->pollsets, a->pollset_capacity * sizeof(*a->pollsets)); } - memcpy(a->pollsets + a->pollset_count, b->pollsets, - b->pollset_count * sizeof(*b->pollsets)); + if (b->pollset_count > 0) { + memcpy(a->pollsets + a->pollset_count, b->pollsets, + b->pollset_count * sizeof(*b->pollsets)); + } a->pollset_count += b->pollset_count; gpr_free(b->fds); gpr_free(b->pollsets); |