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| author | Tong Zhang <ztong0001@gmail.com> | 2021-03-21 11:38:40 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-22 10:57:36 +0200 |
| commit | d0cba3d1edf6e0a4bf0580e73c75cd569492040b (patch) | |
| tree | 25ad2910ed9e8de1fa1181982519566c3fb2bd75 /sound/pci | |
| parent | 13be9c297e986254466678fd6eddbbf29825f4e1 (diff) | |
| download | linux-stable-d0cba3d1edf6e0a4bf0580e73c75cd569492040b.tar.gz linux-stable-d0cba3d1edf6e0a4bf0580e73c75cd569492040b.tar.bz2 linux-stable-d0cba3d1edf6e0a4bf0580e73c75cd569492040b.zip | |
ALSA: rme9652: don't disable if not enabled
[ Upstream commit f57a741874bb6995089020e97a1dcdf9b165dcbe ]
rme9652 wants to disable a not enabled pci device, which makes kernel
throw a warning. Make sure the device is enabled before calling disable.
[ 1.751595] snd_rme9652 0000:00:03.0: disabling already-disabled device
[ 1.751605] WARNING: CPU: 0 PID: 174 at drivers/pci/pci.c:2146 pci_disable_device+0x91/0xb0
[ 1.759968] Call Trace:
[ 1.760145] snd_rme9652_card_free+0x76/0xa0 [snd_rme9652]
[ 1.760434] release_card_device+0x4b/0x80 [snd]
[ 1.760679] device_release+0x3b/0xa0
[ 1.760874] kobject_put+0x94/0x1b0
[ 1.761059] put_device+0x13/0x20
[ 1.761235] snd_card_free+0x61/0x90 [snd]
[ 1.761454] snd_rme9652_probe+0x3be/0x700 [snd_rme9652]
Suggested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Tong Zhang <ztong0001@gmail.com>
Link: https://lore.kernel.org/r/20210321153840.378226-4-ztong0001@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/rme9652/rme9652.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c index edd765e22377..f82fa5be7d33 100644 --- a/sound/pci/rme9652/rme9652.c +++ b/sound/pci/rme9652/rme9652.c @@ -1761,7 +1761,8 @@ static int snd_rme9652_free(struct snd_rme9652 *rme9652) if (rme9652->port) pci_release_regions(rme9652->pci); - pci_disable_device(rme9652->pci); + if (pci_is_enabled(rme9652->pci)) + pci_disable_device(rme9652->pci); return 0; } |