From: Markus Elfring <Markus.Elfring@web.de>
To: Christophe Leroy <christophe.leroy@csgroup.eu>,
Michael Ellerman <mpe@ellerman.id.au>,
"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
"kernel-janitors@vger.kernel.org"
<kernel-janitors@vger.kernel.org>,
"Aneesh Kumar K.V" <aneesh.kumar@kernel.org>,
"Naveen N. Rao" <naveen.n.rao@linux.ibm.com>,
Nicholas Piggin <npiggin@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, cocci@inria.fr
Subject: Re: [0/2] powerpc/powernv/vas: Adjustments for two function implementations
Date: Tue, 16 Apr 2024 14:14:27 +0200 [thread overview]
Message-ID: <33a38d7e-26da-46e0-90d4-7137f9ec0c90@web.de> (raw)
In-Reply-To: <795ca003-4231-45c0-8bb6-178597950fa5@csgroup.eu>
> This is explicit in Kernel documentation:
>
> /**
> * kfree - free previously allocated memory
> * @object: pointer returned by kmalloc() or kmem_cache_alloc()
> *
> * If @object is NULL, no operation is performed.
> */
>
> That's exactly the same behaviour as free() in libc.
>
> So Coccinelle should be fixed if it reports an error for that.
Redundant function calls can occasionally be avoided accordingly,
can't they?
Regards,
Markus
next prev parent reply other threads:[~2024-04-16 12:14 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-23 19:15 [PATCH 0/2] " Markus Elfring
2023-12-23 19:20 ` [PATCH 1/2] powerpc/powernv/vas: One function call less in vas_window_alloc() after error detection Markus Elfring
2023-12-23 19:22 ` [PATCH 2/2] powerpc/powernv/vas: Return directly after a failed kasprintf() in map_paste_region() Markus Elfring
2024-04-15 7:42 ` [0/2] powerpc/powernv/vas: Adjustments for two function implementations Markus Elfring
2024-04-16 11:11 ` Michael Ellerman
2024-04-16 11:32 ` Christophe Leroy
2024-04-16 12:14 ` Markus Elfring [this message]
2024-04-16 12:18 ` Christophe Leroy
2024-04-16 12:56 ` Julia Lawall
2024-04-16 13:05 ` Markus Elfring
2024-04-16 14:05 ` [0/2] powerpc/powernv/vas: Adjustments for map_paste_region()? Markus Elfring
2024-04-16 12:04 ` [0/2] powerpc/powernv/vas: Adjustments for two function implementations Markus Elfring
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