Re: [PATCH 1/8] fs/9p: Deletion of unnecessary checks before the function call "p9_client_clunk"

[SF Markus Elfring]

>> The p9_client_clunk() function tests whether its argument is NULL
>> and then returns immediately. Thus the test around the call is not needed.
>>
> 
> Not true.  You are not allowed to call p9_client_clunk(NULL).

I find that it will work in principle if we refer to the same
function implementation.
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git/tree/net/9p/client.c?id=d8282ea05ad119247122de23db7d48ad6098cfa2#n1448
http://lxr.free-electrons.com/source/net/9p/client.c#L1448


> I assume this patch adds a bug.

It can happen that you will not like a corresponding error message
if the callers will still pass null pointers eventually.

... Trying to clunk with NULL ...


> I assume this patch adds a bug.  You have tried to introduce several of these
> kinds of bugs.

Do any other contributors want to reject my update suggestions
around software components for "fs/9p"?

Regards,
Markus
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