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From: Artem Bityutskiy <dedekind1@gmail.com>
To: ext-phil.2.carmody@nokia.com
Cc: dmitry.torokhov@gmail.com, daniel@caiaq.de,
	linux-kernel@vger.kernel.org, linux-input@vger.kernel.org
Subject: RE: [PATCH 4/4] input: dynamically allocate ABS information
Date: Wed, 21 Jul 2010 13:42:48 +0300	[thread overview]
Message-ID: <1279708968.2306.11.camel@localhost> (raw)
In-Reply-To: <702744BC498BAE41B3AA631D95EC463058B3CFD798@NOK-EUMSG-01.mgdnok.nokia.com>

On Wed, 2010-07-21 at 11:22 +0200, ext-phil.2.carmody@nokia.com wrote:
> A tiny tiny nit...
> 
> From: Dmitry Torokhov [dmitry.torokhov@gmail.com]
> ...
> +void input_alloc_absinfo(struct input_dev *dev)
> +{
> +       if (!dev->absinfo)
> +               dev->absinfo = kcalloc(ABS_CNT, sizeof(struct input_absinfo),
> +                                       GFP_KERNEL);
> +
> +       WARN(!dev->absinfo, "%s(): kzalloc() failed?\n", __func__);
> 
> kcalloc failed, not kzalloc.

kmalloc and friends already print a warning with a stack dump when they
fail, unless this is overrided with __GFP_NOWARN, which is not the case
here. So in usually we do not print messages/warnigns when we fail to
allocate.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)

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WARNING: multiple messages have this Message-ID (diff)
From: Artem Bityutskiy <dedekind1@gmail.com>
To: ext-phil.2.carmody@nokia.com
Cc: dmitry.torokhov@gmail.com, daniel@caiaq.de,
	linux-kernel@vger.kernel.org, linux-input@vger.kernel.org
Subject: RE: [PATCH 4/4] input: dynamically allocate ABS information
Date: Wed, 21 Jul 2010 13:42:48 +0300	[thread overview]
Message-ID: <1279708968.2306.11.camel@localhost> (raw)
In-Reply-To: <702744BC498BAE41B3AA631D95EC463058B3CFD798@NOK-EUMSG-01.mgdnok.nokia.com>

On Wed, 2010-07-21 at 11:22 +0200, ext-phil.2.carmody@nokia.com wrote:
> A tiny tiny nit...
> 
> From: Dmitry Torokhov [dmitry.torokhov@gmail.com]
> ...
> +void input_alloc_absinfo(struct input_dev *dev)
> +{
> +       if (!dev->absinfo)
> +               dev->absinfo = kcalloc(ABS_CNT, sizeof(struct input_absinfo),
> +                                       GFP_KERNEL);
> +
> +       WARN(!dev->absinfo, "%s(): kzalloc() failed?\n", __func__);
> 
> kcalloc failed, not kzalloc.

kmalloc and friends already print a warning with a stack dump when they
fail, unless this is overrided with __GFP_NOWARN, which is not the case
here. So in usually we do not print messages/warnigns when we fail to
allocate.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)


  reply	other threads:[~2010-07-21 10:49 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-19 17:22 [RFC] linux-input: dynamically allocate ABS axis information Daniel Mack
2010-05-19 17:22 ` [PATCH 1/4] input: use ABS_CNT rather than (ABS_MAX + 1) Daniel Mack
2010-05-19 17:22 ` [PATCH 2/4] input: add static inline helpers for ABS properties Daniel Mack
2010-05-19 17:22 ` [PATCH 3/4] input: switch to input_abs_*() access functions Daniel Mack
2010-07-14  8:09   ` Dmitry Torokhov
2010-05-19 17:22 ` [PATCH 4/4] input: dynamically allocate ABS information Daniel Mack
2010-05-24 16:08   ` Daniel Mack
2010-05-24 16:15     ` Dmitry Torokhov
2010-06-16  8:39       ` Daniel Mack
2010-07-21  8:30         ` Dmitry Torokhov
2010-07-21  8:31           ` Dmitry Torokhov
2010-07-21  8:32             ` Dmitry Torokhov
2010-07-21  9:22               ` ext-phil.2.carmody
2010-07-21  9:22                 ` ext-phil.2.carmody
2010-07-21 10:42                 ` Artem Bityutskiy [this message]
2010-07-21 10:42                   ` Artem Bityutskiy
2010-08-11  7:02             ` Daniel Mack
2010-08-13  3:35               ` Dmitry Torokhov
2010-08-07 15:23           ` Daniel Mack
2010-08-11  3:29             ` Dmitry Torokhov
2010-07-14  8:18   ` Dmitry Torokhov

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