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Input: cyttsp - use PTR_ERR_OR_ZERO()

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The PTR_ERR_OR_ZERO() helper function checks if a pointer contains an
errno code and returns it or return 0 if that's not the case. Use the
helper instead of open coding the same logic in the driver. This was
found with make coccicheck that complains with the following warning:

drivers/input/touchscreen/cyttsp4_i2c.c:53:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Javier Martinez Canillas 2015-10-02 11:21:12 -07:00 committed by Dmitry Torokhov
parent c4517f82d2
commit d6f0c3d3a8
1 changed files with 1 additions and 4 deletions
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5
drivers/input/touchscreen/cyttsp4_i2c.c
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@ -50,10 +50,7 @@ static int cyttsp4_i2c_probe(struct i2c_client *client,
ts = cyttsp4_probe(&cyttsp4_i2c_bus_ops, &client->dev, client->irq,
CYTTSP4_I2C_DATA_SIZE);
if (IS_ERR(ts))
return PTR_ERR(ts);
return 0;
return PTR_ERR_OR_ZERO(ts);
}
static int cyttsp4_i2c_remove(struct i2c_client *client)