4.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx> # v4.7+
Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/firewire/oxfw/oxfw.c | 2 ++
1 file changed, 2 insertions(+)
--- a/sound/firewire/oxfw/oxfw.c
+++ b/sound/firewire/oxfw/oxfw.c
@@ -270,6 +270,8 @@ error:
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);
}
