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authorTong Zhang <ztong0001@gmail.com>2021-03-21 11:38:39 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-19 10:08:21 +0200
commita6f2224be4194514166d67722d8ee412880a64d3 (patch)
treeaefdb7d4b22783688925a956b9361a83a3d0f20c /sound
parentALSA: hdsp: don't disable if not enabled (diff)
downloadwireguard-linux-a6f2224be4194514166d67722d8ee412880a64d3.tar.xz
wireguard-linux-a6f2224be4194514166d67722d8ee412880a64d3.zip
ALSA: hdspm: don't disable if not enabled
[ Upstream commit 790f5719b85e12e10c41753b864e74249585ed08 ] hdspm wants to disable a not enabled pci device, which makes kernel throw a warning. Make sure the device is enabled before calling disable. [ 1.786391] snd_hdspm 0000:00:03.0: disabling already-disabled device [ 1.786400] WARNING: CPU: 0 PID: 182 at drivers/pci/pci.c:2146 pci_disable_device+0x91/0xb0 [ 1.795181] Call Trace: [ 1.795320] snd_hdspm_card_free+0x58/0xa0 [snd_hdspm] [ 1.795595] release_card_device+0x4b/0x80 [snd] [ 1.795860] device_release+0x3b/0xa0 [ 1.796072] kobject_put+0x94/0x1b0 [ 1.796260] put_device+0x13/0x20 [ 1.796438] snd_card_free+0x61/0x90 [snd] [ 1.796659] snd_hdspm_probe+0x97b/0x1440 [snd_hdspm] Suggested-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Tong Zhang <ztong0001@gmail.com> Link: https://lore.kernel.org/r/20210321153840.378226-3-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/hdspm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 81a6f4b2bd3c..e34f07c9ff47 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -6889,7 +6889,8 @@ static int snd_hdspm_free(struct hdspm * hdspm)
if (hdspm->port)
pci_release_regions(hdspm->pci);
- pci_disable_device(hdspm->pci);
+ if (pci_is_enabled(hdspm->pci))
+ pci_disable_device(hdspm->pci);
return 0;
}