From patchwork Tue Jun  7 10:24:14 2011
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Subject: ubifs_decompress: cannot decompress ...
Date: Tue, 07 Jun 2011 00:24:14 -0000
From: Artem Bityutskiy <dedekind1@gmail.com>
X-Patchwork-Id: 99106
Message-Id: <1307442254.11104.75.camel@localhost>
To: "Matthew L. Creech" <mlcreech@gmail.com>
Cc: linux-mtd@lists.infradead.org

On Mon, 2011-06-06 at 15:52 -0400, Matthew L. Creech wrote:
> On Mon, Jun 6, 2011 at 12:18 PM, Artem Bityutskiy <dedekind1@gmail.com> wrote:
> >
> > I have to go home now - could you please improve dbg_dump_leb().
> > Currently it calls ubifs_scan(), which scans, finds corrupted node,
> > prints corruption information and returns -EUCLEAN and destroys the
> > scanned data.
> >
> 
> Will something like this be okay?  Or do you still want to dump the
> partially-parsed data from the corrupt node as well (not just the raw contents
> of the LEB)?

Probably a temporary hack like this should work.


diff --git a/fs/ubifs/scan.c b/fs/ubifs/scan.c
index 37383e8..c709045 100644
--- a/fs/ubifs/scan.c
+++ b/fs/ubifs/scan.c
@@ -352,8 +352,9 @@ corrupted:
 		ubifs_err("LEB %d scanning failed", lnum);
 	}
 	err = -EUCLEAN;
-	ubifs_scan_destroy(sleb);
-	return ERR_PTR(err);
+//	ubifs_scan_destroy(sleb);
+//	return ERR_PTR(err);
+	return sleb;
 
 error:
 	ubifs_err("LEB %d scanning failed, error %d", lnum, err);