libmount: fix unused variable [coverity scan]

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

diff --git a/libmount/src/context_mount.c b/libmount/src/context_mount.c
index 1c1b6f77c6bb00061f0756a82c4787938c577762..743f253838030ba6341cae33a487046519a47c65 100644 (file)
--- a/libmount/src/context_mount.c
+++ b/libmount/src/context_mount.c
@@ -742,7 +742,8 @@ static int prepare_target(struct libmnt_context *cxt)
                }
        }
 
-       rc = mnt_context_call_hooks(cxt, MNT_STAGE_PREP_TARGET);
+       if (rc == 0)
+               rc = mnt_context_call_hooks(cxt, MNT_STAGE_PREP_TARGET);
 
        if (!mnt_context_switch_ns(cxt, ns_old))
                return -MNT_ERR_NAMESPACE;