Commit c3b55e2e authored by Takashi Sakamoto's avatar Takashi Sakamoto Committed by Takashi Iwai

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: 7d3c1d59('ALSA: fireworks: delayed registration of sound card')
Cc: <stable@vger.kernel.org> # v4.7+
Signed-off-by: default avatarTakashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 1064bc68
...@@ -301,6 +301,8 @@ do_registration(struct work_struct *work) ...@@ -301,6 +301,8 @@ do_registration(struct work_struct *work)
snd_efw_transaction_remove_instance(efw); snd_efw_transaction_remove_instance(efw);
snd_efw_stream_destroy_duplex(efw); snd_efw_stream_destroy_duplex(efw);
snd_card_free(efw->card); snd_card_free(efw->card);
kfree(efw->resp_buf);
efw->resp_buf = NULL;
dev_info(&efw->unit->device, dev_info(&efw->unit->device,
"Sound card registration failed: %d\n", err); "Sound card registration failed: %d\n", err);
} }
......
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