memory: double check that mmapfd isn't -1 before closing

[fio.git] / memory.c

diff --git a/memory.c b/memory.c
index 76da8a86269e859889366c283281815e9ffac1dc..f81c2dd44aabaf937dd5db3b88c10a0cd6a992ca 100644 (file)
--- a/memory.c
+++ b/memory.c
@@ -158,7 +158,7 @@ static int alloc_mem_mmap(struct thread_data *td, size_t total_mem)
        if (td->orig_buffer == MAP_FAILED) {
                td_verror(td, errno, "mmap");
                td->orig_buffer = NULL;
-               if (td->mmapfd != 1) {
+               if (td->mmapfd != 1 && td->mmapfd != -1) {
                        close(td->mmapfd);
                        if (td->o.mmapfile)
                                unlink(td->o.mmapfile);