ASoC: rsnd: don't double free kctrl

[ Upstream commit 0ea617a298dcdc2251b4e10f83ac3f3e627b66e3 ]

On an error, snd_ctl_add already free's kctrl, so calling snd_ctl_free_one
to free it again leads to a double free error.  Fix this by removing
the extraneous snd_ctl_free_one call.

Issue found using static analysis with CoverityScan, CID 1372908

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index f18141098b50184231bc7a12b8fa41f881435740..91b444db575e5d1191a6c589e5b3bc23a537842d 100644 (file)
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -978,10 +978,8 @@ static int __rsnd_kctrl_new(struct rsnd_mod *mod,
                return -ENOMEM;
 
        ret = snd_ctl_add(card, kctrl);
-       if (ret < 0) {
-               snd_ctl_free_one(kctrl);
+       if (ret < 0)
                return ret;
-       }
 
        cfg->update = update;
        cfg->card = card;