From: simon@mungewell.org
To: "Thomas Meyer" <thomas@m3y3r.de>
Cc: "Jiri Kosina" <jkosina@suse.cz>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] HID: hid-lg4ff: Casting (void *) value returned by kmalloc is useless
Date: Tue, 8 Nov 2011 14:57:28 -0500 [thread overview]
Message-ID: <ecb0ae9ca884c385bc6b0358b38e5605.squirrel@host171.canaca.com> (raw)
In-Reply-To: <1320779660.8062.141.camel@localhost.localdomain>
No objection from me if this is the proper way to do things.
Simon.
> From: Thomas Meyer <thomas@m3y3r.de>
>
> Casting (void *) value returned by kmalloc is useless
> as mentioned in Documentation/CodingStyle, Chap 14.
>
> The semantic patch that makes this change is available
> in scripts/coccinelle/api/alloc/drop_kmalloc_cast.cocci.
>
> More information about semantic patching is available at
> http://coccinelle.lip6.fr/
>
> Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
> ---
>
> diff -u -p a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
> --- a/drivers/hid/hid-lg4ff.c 2011-11-07 19:37:44.816570939 +0100
> +++ b/drivers/hid/hid-lg4ff.c 2011-11-08 09:03:29.394045138 +0100
> @@ -430,7 +430,7 @@ int lg4ff_init(struct hid_device *hid)
> }
>
> /* Add the device to device_list */
> - entry = (struct lg4ff_device_entry *)kzalloc(sizeof(struct
> lg4ff_device_entry), GFP_KERNEL);
> + entry = kzalloc(sizeof(struct lg4ff_device_entry), GFP_KERNEL);
> if (!entry) {
> hid_err(hid, "Cannot add device, insufficient memory.\n");
> return -ENOMEM;
>
>
> --
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>
next prev parent reply other threads:[~2011-11-08 20:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-08 19:14 Thomas Meyer
2011-11-08 19:57 ` simon [this message]
2011-11-11 14:10 ` Jiri Kosina
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