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Re: [PATCH 4/4] ALSA: emu10k1: Cocci spatch "alloc_cast"

From Takashi Iwai <tiwai@suse.de>
Newsgroups linux.kernel
Subject Re: [PATCH 4/4] ALSA: emu10k1: Cocci spatch "alloc_cast"
Date 2017-09-21 10:10 +0200
Message-ID <us4Ix-6IJ-3@gated-at.bofh.it> (permalink)
References <us3t7-5H4-5@gated-at.bofh.it> <us3t8-5H4-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, 21 Sep 2017 08:33:46 +0200,
Thomas Meyer wrote:
> 
> Remove casting the values returned by memory allocation functions like
> kmalloc, kzalloc, kmem_cache_alloc, kmem_cache_zalloc etc."
> Found by coccinelle spatch "api/alloc/alloc_cast.cocci"
> 
> Signed-off-by: Thomas Meyer <thomas@m3y3r.de>

No, this cast is still required because it has __user annotation.
It's not about compiler warning but about sparse.


thanks,

Takashi

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[PATCH 4/4] ALSA: emu10k1: Cocci spatch "alloc_cast" Thomas Meyer <thomas@m3y3r.de> - 2017-09-21 08:50 +0200
  Re: [PATCH 4/4] ALSA: emu10k1: Cocci spatch "alloc_cast" Takashi Iwai <tiwai@suse.de> - 2017-09-21 10:10 +0200
  Re: [PATCH 4/4] ALSA: emu10k1: Cocci spatch "alloc_cast" Al Viro <viro@ZenIV.linux.org.uk> - 2017-09-21 19:40 +0200
    Re: [PATCH 4/4] ALSA: emu10k1: Cocci spatch "alloc_cast" Takashi Iwai <tiwai@suse.de> - 2017-09-21 22:40 +0200

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