Messages in this thread | | | Date | Fri, 2 Oct 2015 11:09:26 -0700 | From | Dmitry Torokhov <> | Subject | Re: [PATCH 07/18] Input: cap11xx - simplify function return logic |
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On Fri, Oct 02, 2015 at 03:40:18PM +0200, Javier Martinez Canillas wrote: > The invoked function already returns zero on success or a negative > errno code so there is no need to open code the logic in the caller. > > This also fixes the following make coccicheck warning: > > drivers/input/keyboard/cap11xx.c:475:1-6: WARNING: end returns can be simplified > > Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> > --- > > drivers/input/keyboard/cap11xx.c | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-) > > diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c > index 378db10001df..7240316ddfe3 100644 > --- a/drivers/input/keyboard/cap11xx.c > +++ b/drivers/input/keyboard/cap11xx.c > @@ -472,12 +472,8 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client, > return -ENXIO; > } > > - error = devm_request_threaded_irq(dev, irq, NULL, cap11xx_thread_func, > - IRQF_ONESHOT, dev_name(dev), priv); > - if (error) > - return error; > - > - return 0; > + return devm_request_threaded_irq(dev, irq, NULL, cap11xx_thread_func, > + IRQF_ONESHOT, dev_name(dev), priv); > }
For cases where we have multiple of potentially failing actions:
error = action1(); if (error) return error;
error = action2(); if (error) return error;
error = action3(); if (error) return error;
return 0;
I prefer not to compress the last action check to "return action3()".
Thanks.
-- Dmitry
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