linux-kernel - Re: [PATCH] staging: android: make file

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Date:   Wed, 5 May 2021 18:21:36 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Alexander Vorwerk <alec@...celle.de>
Cc:     arve@...roid.com, tkjos@...roid.com, maco@...roid.com,
        joel@...lfernandes.org, christian@...uner.io, hridya@...gle.com,
        surenb@...gle.com, linux-kernel@...r.kernel.org,
        linux-staging@...ts.linux.dev
Subject: Re: [PATCH] staging: android: make file_operations struct const

On Wed, May 05, 2021 at 06:10:15PM +0200, Alexander Vorwerk wrote:
> Fix the following type of checkpatch warning:
> "WARNING: struct file_operations should normally be const"
> 
> Signed-off-by: Alexander Vorwerk <alec@...celle.de>
> ---
>  drivers/staging/android/ashmem.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
> index 8ee4320a5dc6..8ff2794b08e3 100644
> --- a/drivers/staging/android/ashmem.c
> +++ b/drivers/staging/android/ashmem.c
> @@ -377,7 +377,7 @@ ashmem_vmfile_get_unmapped_area(struct file *file, unsigned long addr,
>  
>  static int ashmem_mmap(struct file *file, struct vm_area_struct *vma)
>  {
> -	static struct file_operations vmfile_fops;
> +	static const struct file_operations vmfile_fops;
>  	struct ashmem_area *asma = file->private_data;
>  	int ret = 0;
>  
> -- 
> 2.17.1
> 
> 

Always test build your patches before sending them out.  Any specific
reason why you didn't do that here?

thanks,

greg k-h