Re: [PATCH] staging: android: ashmem: Declared file operation with 'const' keyword

From: Hriday Hegde <hridayhegde1999@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: "Arve Hjønnevåg" <arve@android.com>,
	"Todd Kjos" <tkjos@android.com>,
	"Martijn Coenen" <maco@android.com>,
	"Joel Fernandes" <joel@joelfernandes.org>,
	"Christian Brauner" <christian@brauner.io>,
	"Hridya Valsaraju" <hridya@google.com>,
	"Suren Baghdasaryan" <surenb@google.com>,
	linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev
Subject: Re: [PATCH] staging: android: ashmem: Declared file operation with 'const' keyword
Date: Wed, 19 May 2021 21:26:50 +0530	[thread overview]
Message-ID: <3d382048-17d5-e933-7c5e-1af7de218a16@gmail.com> (raw)
In-Reply-To: <YKUm8tf3bKvCf1YI@kroah.com>

On 19-05-2021 20:25, Greg Kroah-Hartman wrote:
> On Wed, May 19, 2021 at 08:06:14PM +0530, Hriday Hegde wrote:
>> On 19-05-2021 15:20, Greg Kroah-Hartman wrote:
>>> A: http://en.wikipedia.org/wiki/Top_post
>>> Q: Were do I find info about this thing called top-posting?
>>> A: Because it messes up the order in which people normally read text.
>>> Q: Why is top-posting such a bad thing?
>>> A: Top-posting.
>>> Q: What is the most annoying thing in e-mail?
>>>
>>> http://daringfireball.net/2007/07/on_top
>>>
>>> On Wed, May 19, 2021 at 03:00:08PM +0530, Hriday Hegde wrote:
>>>> I am not really sure how to do that and how to reflect it in the patch i followed what was taught in the Beginners course and it does not mention building. I know i need to test it out but is running 'patch -p1 < x.patch what i need to do?
>>> That does not build the code you changed, right?
>>>
>>> I'm sure whatever course you took, it did reference the fact that you
>>> need to ensure that your change actually works properly by the very
>>> least being able to be compiled correctly.  Please go over those
>>> instructions again.
>>>
>>> good luck!
>>>
>>> greg k-h
>> I am using the A Beginner's Guide to Linux Kernel Development (LFD103) by the linux foundation for this but i cant find any commands to as to build and test , the only way i tried compiling is with a custom Makefile and it didn't work, i've got a few errors so the const keyword might not work here since the variable is being written to.
>>
>>
> That is correct, when compiling (i.e. building), the compiler shows that
> this is not a correct change.
>
> thanks,
>
> greg k-h
Oh ok will work with something else.

Thanks.