diff options
| author | Takashi Iwai <tiwai@suse.de> | 2019-01-30 17:46:03 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-12 19:45:00 +0100 |
| commit | 18c071d41fda1e17a93aeb831e2f44d6c97ad02d (patch) | |
| tree | e40c6dac5aeab1044b86eee61c0266b8c14659de /fs | |
| parent | 001828f80ca69153acd618921915641084dc81b3 (diff) | |
ALSA: hda - Serialize codec registrations
commit 305a0ade180981686eec1f92aa6252a7c6ebb1cf upstream.
In the current code, the codec registration may happen both at the
codec bind time and the end of the controller probe time. In a rare
occasion, they race with each other, leading to Oops due to the still
uninitialized card device.
This patch introduces a simple flag to prevent the codec registration
at the codec bind time as long as the controller probe is going on.
The controller probe invokes snd_card_register() that does the whole
registration task, and we don't need to register each piece
beforehand.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions