ALSA: oxfw: fix memory leak for model-dependent data at error path
commit ce925f088b979537f22f9e05eb923ef9822ca139 upstream.
After allocating model-dependent data, ALSA OXFW driver has memory leak
of the data at error path.
This commit releases the data at the error path.
Fixes: 6c29230e2a5f ('ALSA: oxfw: delayed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c
index 474b06d..866b280 100644
--- a/sound/firewire/oxfw/oxfw.c
+++ b/sound/firewire/oxfw/oxfw.c
@@ -275,6 +275,8 @@
if (oxfw->has_output)
snd_oxfw_stream_destroy_simplex(oxfw, &oxfw->tx_stream);
snd_card_free(oxfw->card);
+ kfree(oxfw->spec);
+ oxfw->spec = NULL;
dev_info(&oxfw->unit->device,
"Sound card registration failed: %d\n", err);
}