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media: lgdt3306a: Fix module count mismatch on usb unplug

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[ Upstream commit 835d66173a38538c072a7c393d02360dcfac8582 ]

When used as an i2c device there is a module usage count mismatch on
removal, preventing the driver from being used thereafter. dvb_attach
increments the usage count so it is properly balanced on removal.

On disconnect of Hauppauge SoloHD/DualHD before:

lsmod | grep lgdt3306a
lgdt3306a              28672  -1
i2c_mux                16384  1 lgdt3306a

On disconnect of Hauppauge SoloHD/DualHD after:

lsmod | grep lgdt3306a
lgdt3306a              28672  0
i2c_mux                16384  1 lgdt3306a

Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Brad Love 2018-01-05 09:57:12 -05:00 committed by Greg Kroah-Hartman
parent f3f3442027
commit f5f6bff50f
1 changed files with 1 additions and 1 deletions
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2
drivers/media/dvb-frontends/lgdt3306a.c
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@ -2168,7 +2168,7 @@ static int lgdt3306a_probe(struct i2c_client *client,
sizeof(struct lgdt3306a_config));
config->i2c_addr = client->addr;
fe = lgdt3306a_attach(config, client->adapter);
fe = dvb_attach(lgdt3306a_attach, config, client->adapter);
if (fe == NULL) {
ret = -ENODEV;
goto err_fe;