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ALSA: oxfw: fix memory leak for model-dependent data at error path 

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: 6c29230e2a ('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>
This commit is contained in:
Takashi Sakamoto 2018-09-17 17:26:08 +09:00 committed by Takashi Iwai
parent b1fbebd416
commit ce925f088b
1 changed files with 2 additions and 0 deletions
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2
sound/firewire/oxfw/oxfw.c
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@ -271,6 +271,8 @@ static void do_registration(struct work_struct *work)
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);
}