linux-ext4 - Re: [PATCH 3/5] e2image: avoid potential divide by zero

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Message-ID: <52C6E87A.6030706@redhat.com>
Date:	Fri, 03 Jan 2014 10:42:34 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	"Theodore Ts'o" <tytso@....edu>,
	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH 3/5] e2image: avoid potential divide by zero

On 1/2/14, 11:29 PM, Theodore Ts'o wrote:
> It's highly unlikely after five seconds that zero blocks would have
> been written, but let's silence the Coverity warning.
> 
> Addresses-Coverity-ID: 1147780
> 
> Signed-off-by: "Theodore Ts'o" <tytso@....edu>

Reviewed-by: Eric Sandeen <sandeen@...hat.com>

> ---
>  misc/e2image.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/misc/e2image.c b/misc/e2image.c
> index ac62ffe..6c51137 100644
> --- a/misc/e2image.c
> +++ b/misc/e2image.c
> @@ -634,7 +634,7 @@ more_blocks:
>  			bscount = print_progress(total_written,
>  						 meta_blocks_count);
>  			duration = time(NULL) - start_time;
> -			if (duration > 5) {
> +			if (duration > 5 && total_written) {
>  				time_t est = (duration * meta_blocks_count /
>  					      total_written) - duration;
>  				char buff[30];
> 

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