Add IS_DEVICE checks for all calls which take a device parameter.

[libguestfs.git] / daemon / ext2.c

diff --git a/daemon/ext2.c b/daemon/ext2.c
index ab03528..4e1b398 100644 (file)
--- a/daemon/ext2.c
+++ b/daemon/ext2.c
@@ -122,6 +122,8 @@ do_set_e2label (const char *device, const char *label)
   int r;
   char *err;
 
+  IS_DEVICE (device, -1);
+
   r = command (NULL, &err, "/sbin/e2label", device, label, NULL);
   if (r == -1) {
     reply_with_error ("e2label: %s", err);
@@ -139,6 +141,8 @@ do_get_e2label (const char *device)
   int r, len;
   char *out, *err;
 
+  IS_DEVICE (device, NULL);
+
   r = command (&out, &err, "/sbin/e2label", device, NULL);
   if (r == -1) {
     reply_with_error ("e2label: %s", err);
@@ -163,6 +167,8 @@ do_set_e2uuid (const char *device, const char *uuid)
   int r;
   char *err;
 
+  IS_DEVICE (device, -1);
+
   r = command (NULL, &err, "/sbin/tune2fs", "-U", uuid, device, NULL);
   if (r == -1) {
     reply_with_error ("tune2fs -U: %s", err);
@@ -180,6 +186,8 @@ do_get_e2uuid (const char *device)
   int r;
   char *out, *err, *p, *q;
 
+  IS_DEVICE (device, NULL);
+
   /* It's not so straightforward to get the volume UUID.  We have
    * to use tune2fs -l and then look for a particular string in
    * the output.