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media: lgdt330x: don't use an uninitialized state
If state is not initialized or is freed, we can't use it:
drivers/media/dvb-frontends/lgdt330x.c:920 lgdt330x_probe() error: potential null dereference 'state'. (kzalloc returns null)
drivers/media/dvb-frontends/lgdt330x.c:920 lgdt330x_probe() error: we previously assumed 'state' could be null (see line 878)
drivers/media/dvb-frontends/lgdt330x.c:920 lgdt330x_probe() error: dereferencing freed memory 'state'
Fixes: 23ba635d45
("media: lgdt330x: convert it to the new I2C binding way")
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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1 changed files with 2 additions and 1 deletions
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@ -917,7 +917,8 @@ static int lgdt330x_probe(struct i2c_client *client,
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error:
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kfree(state);
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dprintk(state, "ERROR\n");
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if (debug)
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dev_printk(KERN_DEBUG, &client->dev, "Error loading lgdt330x driver\n");
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return -ENODEV;
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}
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struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *_config,
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