Subject: Re: net: xfrm: Deletion of an unnecessary check before the function call "ipcomp_free_tfms"

From: SF Markus Elfring <[email-masked]>
Date: Wed, 19 Nov 2014 10:51:31 +0100

>> The ipcomp_free_tfms() function tests whether its argument is NULL and then
>> returns immediately. Thus the test around the call is not needed.
> 
> It doesn't though...

You are right that this function implementation does a bit more before
returning because of a detected null pointer.
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/net/xfrm/xfrm_ipcomp.c?id=394efd19d5fcae936261bd48e5b33b21897aacf8#n247

Can you agree that input parameter validation is also performed there?
Do you want that I resend my patch with a corrected commit message?

Regards,
Markus