[media] drxk: Fix driver removal

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c
index aaef8e3..7ea73df 100644 (file)
--- a/drivers/media/dvb/frontends/drxk_hard.c
+++ b/drivers/media/dvb/frontends/drxk_hard.c
@@ -6431,6 +6431,18 @@ struct dvb_frontend *drxk_attach(const struct drxk_config *config,
        if (init_drxk(state) < 0)
                goto error;
        *fe_t = &state->t_frontend;
+
+#ifdef CONFIG_MEDIA_ATTACH
+       /*
+        * HACK: As this function initializes both DVB-T and DVB-C fe symbols,
+        * and calling it twice would create the state twice, leading into
+        * memory leaks, the right way is to call it only once. However, dvb
+        * release functions will call symbol_put twice. So, the solution is to
+        * artificially increment the usage count, in order to allow the
+        * driver to be released.
+        */
+       symbol_get(drxk_attach);
+#endif
        return &state->c_frontend;
 
 error: