Fix warnings about ignored return values.

diff --git a/apps/speed.c b/apps/speed.c
index 2d34310e61434571f78385b64c33baa6f00177da..d4b0fddf7b8113b209aa48800f8ddecfa3bb6bda 100644 (file)
--- a/apps/speed.c
+++ b/apps/speed.c
@@ -2644,7 +2644,11 @@ static int do_multi(int multi)
        fds=malloc(multi*sizeof *fds);
        for(n=0 ; n < multi ; ++n)
                {
-               pipe(fd);
+               if (pipe(fd) == -1)
+                       {
+                       fprintf(stderr, "pipe failure\n");
+                       exit(1);
+                       }
                fflush(stdout);
                fflush(stderr);
                if(fork())
@@ -2656,7 +2660,11 @@ static int do_multi(int multi)
                        {
                        close(fd[0]);
                        close(1);
-                       dup(fd[1]);
+                       if (dup(fd[1]) == -1)
+                               {
+                               fprintf(stderr, "dup failed\n");
+                               exit(1);
+                               }
                        close(fd[1]);
                        mr=1;
                        usertime=0;