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From: Lukas Czerner <lczerner@redhat.com>
To: Namhyung Kim <namhyung@gmail.com>
Cc: Theodore Tso <tytso@mit.edu>, linux-ext4@vger.kernel.org
Subject: Re: [PATCH 12/15] mke2fs: add some error checks into PRS()
Date: Tue, 30 Nov 2010 13:46:07 +0100 (CET)	[thread overview]
Message-ID: <alpine.LFD.2.00.1011301340570.3004@dhcp-lab-213.englab.brq.redhat.com> (raw)
In-Reply-To: <1291020917-8671-13-git-send-email-namhyung@gmail.com>

On Mon, 29 Nov 2010, Namhyung Kim wrote:

> Check return value of some functions and exit if unhandled error occurred.
> 
> Signed-off-by: Namhyung Kim <namhyung@gmail.com>
> ---
>  misc/mke2fs.c |   26 ++++++++++++++++++++++----
>  1 files changed, 22 insertions(+), 4 deletions(-)
> 
> diff --git a/misc/mke2fs.c b/misc/mke2fs.c
> index b88decf..6e2092d 100644
> --- a/misc/mke2fs.c
> +++ b/misc/mke2fs.c
> @@ -1108,6 +1108,10 @@ static void PRS(int argc, char *argv[])
>  	if (oldpath)
>  		pathlen += strlen(oldpath);
>  	newpath = malloc(pathlen);
> +	if (!newpath) {
> +		fprintf(stderr, _("Couldn't allocate memory for new PATH.\n"));
> +		exit(1);
> +	}
>  	strcpy(newpath, PATH_SET);
>  
>  	/* Update our PATH to include /sbin  */
> @@ -1138,14 +1142,28 @@ static void PRS(int argc, char *argv[])
>  	profile_set_syntax_err_cb(syntax_err_report);
>  	retval = profile_init(config_fn, &profile);
>  	if (retval == ENOENT) {
> -		profile_init(default_files, &profile);
> -		profile_set_default(profile, mke2fs_default_profile);
> +		retval = profile_init(default_files, &profile);
> +		if (retval)
> +			goto profile_error;
> +		retval = profile_set_default(profile, mke2fs_default_profile);
> +		if (retval)
> +			goto profile_error;
> +	} else {

Maybe use "else if (retval)" since profile_init(config_fn, &profile);
might exit successfully (return 0) ?

> +profile_error:
> +		fprintf(stderr, _("Couldn't init profile successfully"
> +				  " (error: %ld).\n"), retval);
> +		exit(1);
>  	}
>  
>  	setbuf(stdout, NULL);
>  	setbuf(stderr, NULL);
> -	add_error_table(&et_ext2_error_table);
> -	add_error_table(&et_prof_error_table);
> +	retval = add_error_table(&et_ext2_error_table);
> +	if (!retval)
> +		retval = add_error_table(&et_prof_error_table);
> +	if (retval) {
> +		fprintf(stderr, _("Unable to add error information.\n"));
> +		exit(1);
> +	}
>  	memset(&fs_param, 0, sizeof(struct ext2_super_block));
>  	fs_param.s_rev_level = 1;  /* Create revision 1 filesystems now */
>  
> 

-Lukas

  reply	other threads:[~2010-11-30 12:46 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-29  8:55 [PATCH 00/15] e2fsprogs cleanups Namhyung Kim
2010-11-29  8:55 ` [PATCH 01/15 RESEND] libext2fs: fix potential build failure with OMIT_COM_ERR Namhyung Kim
2010-12-20 15:04   ` [01/15, " Ted Ts'o
2010-11-29  8:55 ` [PATCH 02/15 RESEND] libext2fs: fix dubious code in ext2fs_numeric_progress_init() Namhyung Kim
2010-12-20 15:04   ` [02/15, " Ted Ts'o
2010-11-29  8:55 ` [PATCH 03/15] mke2fs: simplify inode table block counting Namhyung Kim
2010-11-30 12:01   ` Lukas Czerner
2010-12-01 11:49     ` Namhyung Kim
2010-12-20 15:44       ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 04/15] libext2fs: remove unnecessary casts to ext2fs_generic_bitmap Namhyung Kim
2010-12-20 15:50   ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 05/15] libext2fs: fix dubious code in ext2fs_unmark_generic_bitmap() Namhyung Kim
2010-12-20 15:54   ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 06/15] libext2fs: invalid EXT4_FEATURE_RO_COMPAT_HUGE_FILE checks Namhyung Kim
2010-12-20 15:55   ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 07/15] libext2fs: fix error path in ext2fs_update_bb_inode() Namhyung Kim
2010-12-20 16:01   ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 08/15] libext2fs: fix memory leak on error path Namhyung Kim
2010-11-30 12:23   ` Lukas Czerner
2010-12-21 23:06   ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 09/15] mke2fs: check return value of e2p_os2string() Namhyung Kim
2010-12-21 23:13   ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 10/15] mke2fs.8.in: add missing "big" and "huge" usage-type description Namhyung Kim
2010-12-21 23:45   ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 11/15] mke2fs: fix determination of size_type Namhyung Kim
2010-11-30 12:33   ` Lukas Czerner
2010-12-01 12:37     ` Namhyung Kim
2010-12-01 15:46       ` Lukas Czerner
2010-12-21 23:45         ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 12/15] mke2fs: add some error checks into PRS() Namhyung Kim
2010-11-30 12:46   ` Lukas Czerner [this message]
2010-12-01 12:03     ` Namhyung Kim
2010-12-16  9:40       ` [PATCH v2 " Namhyung Kim
2010-12-16 12:19         ` Lukas Czerner
2010-12-22  1:34         ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 13/15] mke2fs: fix potential memory leak in mke2fs_setup_tdb() Namhyung Kim
2010-11-30 13:02   ` Lukas Czerner
2010-12-01 12:32     ` Namhyung Kim
2010-12-16  9:42       ` [PATCH v2 " Namhyung Kim
2010-12-16 12:21         ` Lukas Czerner
2010-11-29  8:55 ` [PATCH 14/15] libext2fs: fix possible memory leak in write_journal_inode() Namhyung Kim
2010-12-22 15:43   ` Ted Ts'o
2010-11-29  8:55 ` [PATCH 15/15] mke2fs.8.in: add ENVIRONMENT section Namhyung Kim
2010-12-22 15:43   ` Ted Ts'o

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