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

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Message-ID: <YKTM8KmXI8bXUSqp@kroah.com>
Date:   Wed, 19 May 2021 10:31:44 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Hriday Hegde <hridayhegde1999@...il.com>
Cc:     Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Christian Brauner <christian@...uner.io>,
        Hridya Valsaraju <hridya@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev
Subject: Re: [PATCH] staging: android: ashmem: Declared file operation with
 'const' keyword

On Wed, May 19, 2021 at 01:19:58AM -0700, Hriday Hegde wrote:
> Fixing following warnings found by checkpatch.pl
> WARNING: struct file_operations should normally be const
> 380: FILE: drivers/staging/android/ashmem.c:380:
> +	static struct file_operations vmfile_fops;
> 
> Signed-off-by: Hriday Hegde <hridayhegde1999@...il.com>
> ---
>  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;
>  
> -- 
> 2.25.1
> 
> 

Any reason why you didn't build your change before submitting this
patch?

thanks,

greg k-h