| commit | ed9571f0cf1fe09d3506302610f3ccdfa1d22c4a | [log] [tgz] |
|---|---|---|
| author | Joe Thornber <ejt@redhat.com> | Fri Dec 13 14:55:55 2013 +0000 |
| committer | Mike Snitzer <snitzer@redhat.com> | Fri Dec 13 14:22:10 2013 -0500 |
| tree | ec013b939d466fbd06d3c62a5a0de5ca9e5a3ae1 | |
| parent | 5b564d80f8bc21094c0cd2b19b679d983aabcc29 [diff] |
dm array: fix a reference counting bug in shadow_ablock An old array block could have its reference count decremented below zero when it is being replaced in the btree by a new array block. The fix is to increment the old ablock's reference count just before inserting a new ablock into the btree. Signed-off-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Cc: stable@vger.kernel.org # 3.9+