tree 5acf6d6bc38cfd96c3d0ba4dc101d7e6a2606d16
parent 431102fed3effe4e4e19678830ddab7f05c34bf9
author Artem Bityutskiy <Artem.Bityutskiy@nokia.com> 1246292834 +0300
committer Artem Bityutskiy <Artem.Bityutskiy@nokia.com> 1247120379 +0300

UBIFS: fix corruption dump

In the 'ubifs_recover_leb()' function, when we find corrupted
empty space, we dump 8K starting from the offset where the last
node ends. This is OK if the corrupted empty space is somewhere
near that offset. But if the corruption is far at the end of the
LEB, we will dump all 0xFF bytes and complitely ignore the
interesting data. This is observed on a PPC ("kilauea") with
NOR flash.

This patch changes the behavior and teaches UBIFS to print only
interesting data. I.e., now we find where corruption starts and
start dumping from that offset.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Reviewed-by: Adrian Hunter <Adrian.Hunter@nokia.com>