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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 10:40:29 +0200 |
| commit | 2161902614cc284f403671c5e4788cc8c05a5926 (patch) | |
| tree | 49042db7ed3abd602a24613eecc05b041faba428 /sound | |
| parent | 38d1f61cf222d2f47a96591995a3b5de9c25e0ec (diff) | |
| download | linux-stable-2161902614cc284f403671c5e4788cc8c05a5926.tar.gz linux-stable-2161902614cc284f403671c5e4788cc8c05a5926.tar.bz2 linux-stable-2161902614cc284f403671c5e4788cc8c05a5926.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')
| -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 a76b1f147660..67bd75fbdc7e 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; } |