ALSA: fireworks: fix memory leak of response buffer at error path

After allocating memory object for response buffer, ALSA fireworks
driver has leak of the memory object at error path.

This commit releases the object at the error path.

Fixes: 7d3c1d5901aa('ALSA: fireworks: 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 17:26:41 +09:00 committed by Takashi Iwai
parent 1064bc685d
commit c3b55e2ec9
1 changed files with 2 additions and 0 deletions

View File

@ -301,6 +301,8 @@ do_registration(struct work_struct *work)
snd_efw_transaction_remove_instance(efw);
snd_efw_stream_destroy_duplex(efw);
snd_card_free(efw->card);
kfree(efw->resp_buf);
efw->resp_buf = NULL;
dev_info(&efw->unit->device,
"Sound card registration failed: %d\n", err);
}