Fix tar-in command hangs when running out of disk space (RHBZ#580246).

[libguestfs.git] / daemon / tar.c

diff --git a/daemon/tar.c b/daemon/tar.c
index c3bdcf7..bb0e483 100644 (file)
--- a/daemon/tar.c
+++ b/daemon/tar.c
@@ -44,7 +44,7 @@ do_tar_in (const char *dir)
 
   if (!root_mounted || dir[0] != '/') {
     cancel_receive ();
-    reply_with_error ("tar-in: root must be mounted and path must be absolute");
+    reply_with_error ("root must be mounted and path must be absolute");
     return -1;
   }
 
@@ -88,7 +88,8 @@ do_tar_in (const char *dir)
 
   if (pclose (fp) != 0) {
     err = errno;
-    cancel_receive ();
+    if (r == -1)                /* if r == 0, file transfer ended already */
+      cancel_receive ();
     errno = err;
     reply_with_perror ("pclose: %s", dir);
     return -1;
@@ -165,7 +166,7 @@ do_tgz_in (const char *dir)
 
   if (!root_mounted || dir[0] != '/') {
     cancel_receive ();
-    reply_with_error ("tar-in: root must be mounted and path must be absolute");
+    reply_with_error ("root must be mounted and path must be absolute");
     return -1;
   }
 
@@ -209,7 +210,8 @@ do_tgz_in (const char *dir)
 
   if (pclose (fp) != 0) {
     err = errno;
-    cancel_receive ();
+    if (r == -1)                /* if r == 0, file transfer ended already */
+      cancel_receive ();
     errno = err;
     reply_with_perror ("pclose: %s", dir);
     return -1;