Re: [PATCH] vfs: return -EOVERFLOW in generic_remap_checks() when overflow check fails

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On Fri 06-09-24 11:32:02, Julian Sun wrote:
> Keep it consistent with the handling of the same check within
> generic_copy_file_checks().
> Also, returning -EOVERFLOW in this case is more appropriate.
> 
> Signed-off-by: Julian Sun <sunjunchao2870@xxxxxxxxx>

Well, you were already changing this condition here [1] so maybe just
update the errno in that patch as well? No need to generate unnecessary
patch conflicts...

[1] https://lore.kernel.org/all/20240905121545.ma6zdnswn5s72byb@quack3

								Honza

> ---
>  fs/remap_range.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/remap_range.c b/fs/remap_range.c
> index 28246dfc8485..97171f2191aa 100644
> --- a/fs/remap_range.c
> +++ b/fs/remap_range.c
> @@ -46,7 +46,7 @@ static int generic_remap_checks(struct file *file_in, loff_t pos_in,
>  
>  	/* Ensure offsets don't wrap. */
>  	if (pos_in + count < pos_in || pos_out + count < pos_out)
> -		return -EINVAL;
> +		return -EOVERFLOW;
>  
>  	size_in = i_size_read(inode_in);
>  	size_out = i_size_read(inode_out);
> -- 
> 2.39.2
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR




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