nsenter: avoid NULL pointer dereference [coverity scan]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/sys-utils/nsenter.c b/sys-utils/nsenter.c
index 74975313d5487df1bdf489867f8eff45352cff23..6f9558052cc4721d8ec4c433a6dd26473c553f68 100644 (file)
--- a/sys-utils/nsenter.c
+++ b/sys-utils/nsenter.c
@@ -150,8 +150,8 @@ static void set_parent_user_ns_fd(void)
 
        if (parent_ns < 0)
                errx(EXIT_FAILURE, _("no namespaces to get parent of"));
-
-       user_nsfile->fd = parent_ns;
+       if (user_nsfile)
+               user_nsfile->fd = parent_ns;
 }