Re: kfree(0) - ok?

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To: Arjan van de Ven <arjan@...>

Cc: Tim Bird <tim.bird@...>, linux kernel <linux-kernel@...>

Date: Tuesday, August 14, 2007 - 7:21 pm

On Tue, Aug 14, 2007 at 15:55:48 -0700, Arjan van de Ven wrote:
quoted text> NULL is not 0 though.

It is.  Its representation isn't guaranteed to be all-bits-zero, but
the constant value 0 when used in pointer context is always a null
pointer (and in fact the standard requires that NULL be #defined as 0
or a cast thereof).
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Messages in current thread:

kfree(0) - ok?, Tim Bird, (Tue Aug 14, 6:59 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Tue Aug 14, 7:13 pm)

Re: kfree(0) - ok?, Arjan van de Ven, (Tue Aug 14, 6:55 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Tue Aug 14, 7:42 pm)

Re: kfree(0) - ok?, Andrew Morton, (Fri Aug 17, 2:22 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 5:13 pm)

Re: kfree(0) - ok?, Christoph Lameter, (Fri Aug 17, 5:14 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 5:46 pm)

Re: kfree(0) - ok?, Pekka Enberg, (Fri Aug 17, 5:42 pm)

Re: kfree(0) - ok?, Thomas Gleixner, (Fri Aug 17, 7:40 pm)

Re: kfree(0) - ok?, Jan Engelhardt, (Sat Aug 18, 4:21 am)

Re: kfree(0) - ok?, Pekka Enberg, (Sat Aug 18, 4:10 am)

Re: kfree(0) - ok?, Christoph Lameter, (Fri Aug 17, 9:03 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 8:02 pm)

Re: kfree(0) - ok?, Christoph Lameter, (Fri Aug 17, 7:22 pm)

Re: kfree(0) - ok?, Christoph Lameter, (Fri Aug 17, 4:43 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 5:17 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 5:32 pm)

Re: kfree(0) - ok?, Jan Engelhardt, (Fri Aug 17, 2:37 pm)

Re: kfree(0) - ok?, Arjan van de Ven, (Fri Aug 17, 2:31 pm)

Re: kfree(0) - ok?, Satyam Sharma, (Fri Aug 17, 2:50 pm)

Re: kfree(0) - ok?, Christoph Lameter, (Tue Aug 14, 8:19 pm)

Re: kfree(0) - ok?, Jason Uhlenkott, (Tue Aug 14, 7:21 pm)

Re: kfree(0) - ok?, Jan Engelhardt, (Wed Aug 15, 3:28 am)

Re: kfree(0) - ok?, Giacomo A. Catenazzi, (Wed Aug 15, 5:32 am)

Re: kfree(0) - ok?, Andreas Schwab, (Wed Aug 15, 5:18 am)

Re: kfree(0) - ok?, Jason Uhlenkott, (Wed Aug 15, 4:52 am)

Re: kfree(0) - ok?, Rene Herman, (Wed Aug 15, 4:37 am)

Re: kfree(0) - ok?, Jan Engelhardt, (Wed Aug 15, 5:20 am)

Re: kfree(0) - ok?, Rene Herman, (Wed Aug 15, 5:58 am)

Re: kfree(0) - ok?, Jan Engelhardt, (Wed Aug 15, 6:20 am)

Re: kfree(0) - ok?, H. Peter Anvin, (Wed Aug 15, 12:01 pm)

Re: kfree(0) - ok?, Kyle Moffett, (Wed Aug 15, 9:58 am)

Re: kfree(0) - ok?, Jan Engelhardt, (Wed Aug 15, 10:06 am)

Re: kfree(0) - ok?, Kyle Moffett, (Wed Aug 15, 10:34 am)

Re: kfree(0) - ok?, Rene Herman, (Wed Aug 15, 6:27 am)

Re: kfree(0) - ok?, Jason Uhlenkott, (Wed Aug 15, 5:43 am)


linux-kernel:
Greg Kroah-Hartman	[PATCH 008/196] Chinese: add translation of volatile-considered-harmful.txt
Amit K. Arora	[RFC] Heads up on sys_fallocate()
Bart Van Assche	Integration of SCST in the mainstream Linux kernel
Linus Torvalds	Re: Slow DOWN, please!!!
git:

linux-netdev:
Gerrit Renker	[PATCH 0/37] dccp: Feature negotiation - last call for comments
David Miller	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
David Miller	[GIT]: Networking
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