check for grub/menu.lst too

[libguestfs.git] / daemon / sfdisk.c

diff --git a/daemon/sfdisk.c b/daemon/sfdisk.c
index 6d49387..14297e7 100644 (file)
--- a/daemon/sfdisk.c
+++ b/daemon/sfdisk.c
@@ -72,13 +72,13 @@ sfdisk (const char *device, int n, int cyls, int heads, int sectors,
 
   fp = popen (buf, "w");
   if (fp == NULL) {
-    reply_with_perror (buf);
+    reply_with_perror ("failed to open pipe: %s", buf);
     return -1;
   }
 
   for (i = 0; lines[i] != NULL; ++i) {
     if (fprintf (fp, "%s\n", lines[i]) < 0) {
-      reply_with_perror (buf);
+      reply_with_perror ("failed to write to pipe: %s", buf);
       pclose (fp);
       return -1;
     }
@@ -124,7 +124,7 @@ sfdisk_flag (const char *device, const char *flag)
 
   r = command (&out, &err, "/sbin/sfdisk", flag, device, NULL);
   if (r == -1) {
-    reply_with_error ("sfdisk: %s: %s", device, err);
+    reply_with_error ("%s: %s", device, err);
     free (out);
     free (err);
     return NULL;