linux-ext4 - Re: [PATCH] filefrag: fix minor issues with 29758d2

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Message-ID: <53876E91.604@redhat.com>
Date:	Thu, 29 May 2014 12:29:53 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	ext4 development <linux-ext4@...r.kernel.org>
CC:	Andreas Dilger <adilger@...ger.ca>
Subject: Re: [PATCH] filefrag: fix minor issues with 29758d2

On 5/29/14, 12:25 PM, Eric Sandeen wrote:
> 29758d2 filefrag: exit with error code if an error is hit
> 
> introduced a couple errors; in one case it missed returning
> a value, and in the other used a test where it needed an
> assignment.
> 
> Signed-off-by: Eric Sandeen <sandeen@...hat.com>
> ---
> 
> diff --git a/misc/filefrag.c b/misc/filefrag.c
> index 37c4416..b2826ad 100644
> --- a/misc/filefrag.c
> +++ b/misc/filefrag.c
> @@ -387,8 +387,9 @@ static int frag_report(const char *filename)
>  	if (last_device != st.st_dev) {
>  		if (fstatfs(fd, &fsinfo) < 0) {
>  			close(fd);
> +			rc = -errno;
>  			perror("fstatfs");
> -			return;
> +			return rc;
>  		}

And as an aside, here and other places where we do:

if (syscall() < 0) {
	close (fd);
	rc = -errno;
	perror("syscall");
	return rc;
}

we actually run the risk of close failing, and getting errno/perror from THAT,
but *shrug* for now...

-Eric

>  		if (verbose)
>  			printf("Filesystem type is: %lx\n",
> @@ -556,7 +557,7 @@ int main(int argc, char**argv)
>  		int rc2 = frag_report(*cpp);
>  
>  		if (rc2 < 0 && rc == 0)
> -			rc == rc2;
> +			rc = rc2;
>  	}
>  
>  	return rc;
> 
> --
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