super1: check fd before passing to get_dev_size() in add_to_super1()

Check if file descriptor is valid before passing it to get_dev_size() in
add_to_super().

Signed-off-by: Mateusz Kusiak <mateusz.kusiak@intel.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>

diff --git a/super1.c b/super1.c
index 871d19f0398c2492f8598064c716cb7db44faef0..5439b7bb1240a6dde9122bff1b0033eb75fe374e 100644 (file)
--- a/super1.c
+++ b/super1.c
@@ -1752,7 +1752,10 @@ static int add_to_super1(struct supertype *st, mdu_disk_info_t *dk,
        di->devname = devname;
        di->disk = *dk;
        di->data_offset = data_offset;
-       get_dev_size(fd, NULL, &di->dev_size);
+
+       if (is_fd_valid(fd))
+               get_dev_size(fd, NULL, &di->dev_size);
+
        di->next = NULL;
        *dip = di;