| To: | Christoph Hellwig <hch@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 1/5] xfsprogs: libxcmd: don't clobber fs_table on realloc() |
| From: | Alex Elder <aelder@xxxxxxx> |
| Date: | Thu, 29 Sep 2011 09:10:55 -0500 |
| Cc: | <xfs@xxxxxxxxxxx> |
| In-reply-to: | <20110929005946.GA26863@xxxxxxxxxxxxx> |
| References: | <1317207432-8464-1-git-send-email-aelder@xxxxxxx> <08dbe8c3d0f49bac0c18570a68e7aa983cb4c731.1317207144.git.aelder@xxxxxxx> <20110929005946.GA26863@xxxxxxxxxxxxx> |
| Reply-to: | <aelder@xxxxxxx> |
On Wed, 2011-09-28 at 20:59 -0400, Christoph Hellwig wrote:
> On Wed, Sep 28, 2011 at 05:57:08AM -0500, Alex Elder wrote:
> > In fs_table_insert(), realloc() is called to resize the global
> > fs_table. If it fails, it overwrites a previously valid fs_table
> > pointer with NULL.
> >
> > Instead, assign the return value to a local temporary and overwrite
> > fs_table only if the realloc() call succeeds. The only defined
> > errno value for a realloc() failure is ENOMEM, so return that
> > explicitly in the event it fails.
>
> Looks good. Did you encounter this issue in real life?
No, just by inspection.
I'm working on fixing a different problem, and to do
so I need to rearrange things a bit. Along the way
I found a bunch of little annoyances like this one,
so I figured I might as well fix them while I'm in
there.
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Thanks a lot for the reviews.
-Alex
|
| Previous by Date: | Re: [PATCH 2/2] xfsprogs: xfs_quota: kill local variable "type" from free_f(), Christoph Hellwig |
|---|---|
| Next by Date: | Re: [PATCH v2] xfsdump: handle dump files with checksum bug, Alex Elder |
| Previous by Thread: | Re: [PATCH 1/5] xfsprogs: libxcmd: don't clobber fs_table on realloc(), Christoph Hellwig |
| Next by Thread: | [PATCH] xfsprogs: xfs_quota: don't print invalid quota file inode number, Alex Elder |
| Indexes: | [Date] [Thread] [Top] [All Lists] |