tree 4cbdd23d9af20632678e95b3e8f02ede241a3917
parent 3a981b03f38dc3b8a69b77cbc679e66c1318a44a
author NeilBrown <neilb@suse.de> 1249261196 +1000
committer NeilBrown <neilb@suse.de> 1249261196 +1000

md: avoid array overflow with bad v1.x metadata

We trust the 'desc_nr' field in v1.x metadata enough to use it
as an index in an array.  This isn't really safe.
So range-check the value first.

Signed-off-by: NeilBrown <neilb@suse.de>