From: Gene Czarcinski <gene@czarc.net>
To: dsterba@suse.cz
Cc: linux-btrfs@vger.kernel.org, Nageswara R Sastry <nasastry@in.ibm.com>
Subject: Re: [PATCH 01/13] btrfs-progs: btrfs-image.c: Added NULL pointer check.
Date: Tue, 22 Jan 2013 12:34:01 -0500 [thread overview]
Message-ID: <50FECD89.9050101@czarc.net> (raw)
In-Reply-To: <20130121155630.GI19967@twin.jikos.cz>
On 01/21/2013 10:56 AM, David Sterba wrote:
> On Sun, Jan 20, 2013 at 04:04:06PM -0500, Gene Czarcinski wrote:
>> From: Nageswara R Sastry <nasastry@in.ibm.com>
>>
>> Check for the return value of 'open_ctree()' before dereferencing it.
>>
>> --- a/btrfs-image.c
>> +++ b/btrfs-image.c
>> @@ -491,6 +491,7 @@ static int create_metadump(const char *input, FILE *out, int num_threads,
>> int ret;
>>
>> root = open_ctree(input, 0, 0);
>> + BUG_ON(!root);
> Bug_on is not the right fix here, I prefer a more extensive fix
>
> http://permalink.gmane.org/gmane.comp.file-systems.btrfs/15305
>
> which prints a message and exits.
>
>> BUG_ON(root->nodesize != root->leafsize);
>>
>> ret = metadump_init(&metadump, root, out, num_threads,
I missed this better fix because I only started looking for outstanding
patches starting in June/July 2012.
Besides, I suspect you are a lot more knowledgeable to make the judgment
as to a "good" fix.
Gene
next prev parent reply other threads:[~2013-01-22 17:34 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-20 21:04 [PATCH 00/13] Btrfs-progs: more patches for integration Gene Czarcinski
2013-01-20 21:04 ` [PATCH 01/13] btrfs-progs: btrfs-image.c: Added NULL pointer check Gene Czarcinski
2013-01-21 15:56 ` David Sterba
2013-01-22 17:34 ` Gene Czarcinski [this message]
2013-01-23 16:35 ` David Sterba
2013-01-23 18:16 ` Gene Czarcinski
2013-01-20 21:04 ` [PATCH 02/13] Btrfs-progs: fix resolving of loop devices Gene Czarcinski
2013-01-21 16:14 ` David Sterba
2013-01-22 17:50 ` David Sterba
2013-01-20 21:04 ` [PATCH 03/13] Btrfs-progs: correct btrfs receive usage string Gene Czarcinski
2013-01-20 21:04 ` [PATCH 04/13] Btrfs-progs: Fix a segmentation fault in btrfstune when <device> is invalid Gene Czarcinski
2013-01-20 21:04 ` [PATCH 05/13] Add btrfs-show-super Gene Czarcinski
2013-01-21 18:04 ` David Sterba
2013-01-21 19:54 ` Goffredo Baroncelli
2013-01-21 22:22 ` Stefan Behrens
2013-01-22 14:46 ` David Sterba
2013-01-20 21:04 ` [PATCH 06/13] btrfs-show-super.c Gene Czarcinski
2013-01-21 16:46 ` David Sterba
2013-01-22 18:00 ` Gene Czarcinski
2013-01-23 17:38 ` David Sterba
2013-01-22 20:51 ` [PATCH] Fix Makefile for gzip Gene Czarcinski
2013-01-22 20:51 ` [PATCH] fix btrfs-progs build Gene Czarcinski
2013-01-23 17:42 ` David Sterba
2013-01-20 21:04 ` [PATCH 07/13] Btrfs-progs: correcting misnamed parameter options for btrfs send Gene Czarcinski
2013-01-20 21:49 ` Gene Czarcinski
2013-01-20 23:59 ` [PATCH] " Gene Czarcinski
2013-01-20 21:04 ` [PATCH 08/13] Btrfs-progs: bugfix for subvolume parent determination in " Gene Czarcinski
2013-01-20 21:04 ` [PATCH 09/13] Btrfs-progs: fix arg parsing for btrfs qgroup limit commands Gene Czarcinski
2013-01-20 21:04 ` [PATCH 10/13] Btrfs-progs: clean up reduplicate parse_qgroupid() and replace atoi with strtoull Gene Czarcinski
2013-01-20 21:04 ` [PATCH 11/13] Btrfs-progs: check the relation of two group by real level numbers Gene Czarcinski
2013-01-20 21:04 ` [PATCH 12/13] Btrfs-progs: disable qgroupid 0 for quota_tree Gene Czarcinski
2013-01-21 14:11 ` Gene Czarcinski
2013-01-20 21:04 ` [PATCH 13/13] trivial patch for btrfs-progs Gene Czarcinski
2013-01-21 17:40 ` David Sterba
2013-01-22 18:59 ` Gene Czarcinski
2013-01-21 18:40 ` [PATCH 00/13] Btrfs-progs: more patches for integration (integration-20130121) David Sterba
[not found] ` <CAMO4zugaABrbTJB75Yyi_UravfSX81YyqJtmc3yGALrby7+RTQ@mail.gmail.com>
2013-01-22 17:03 ` Fwd: " praneeth u
2013-01-22 18:09 ` Gene Czarcinski
2013-01-22 20:14 ` Gene Czarcinski
2013-01-24 18:13 ` David Sterba
2013-01-24 21:07 ` Gene Czarcinski
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