1 files changed, 5 insertions, 1 deletions
diff --git a/apps/speed.c b/apps/speed.c
index d180a41f36..d1a0ddf6e9 100644
--- a/apps/speed.c
+++ b/apps/speed.c
@@ -3456,7 +3456,11 @@ static int do_multi(int multi, int size_num)
         char buf[1024];
         char *p;
 
-        f = fdopen(fds[n], "r");
+        if ((f = fdopen(fds[n], "r")) == NULL) {
+            BIO_printf(bio_err, "fdopen failure with 0x%x\n",
+                       errno);
+            return 1;
+        }
         while (fgets(buf, sizeof(buf), f)) {
             p = strchr(buf, '\n');
             if (p)