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serial: max310x: Add error checking in probe()

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[ Upstream commit 672a37ba8af1f2ebcedeb94aea2cdd047f805f30 ]

Check if devm_i2c_new_dummy_device() fails.

Fixes: 2e1f2d9a9b ("serial: max310x: implement I2C support")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/aJTMPZiKqeXSE-KM@stanley.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2025-08-07 18:54:37 +03:00 committed by Greg Kroah-Hartman
parent 3723c3dda1
commit d40f6daa6a
1 changed files with 2 additions and 0 deletions
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2
drivers/tty/serial/max310x.c
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@ -1656,6 +1656,8 @@ static int max310x_i2c_probe(struct i2c_client *client)
port_client = devm_i2c_new_dummy_device(&client->dev,
client->adapter,
port_addr);
if (IS_ERR(port_client))
return PTR_ERR(port_client);
regmaps[i] = devm_regmap_init_i2c(port_client, &regcfg_i2c);
}