[XFS] Fix a possible metadata buffer (AGFL) refcount leak when fixing an
AG freelist.
SGI-PV: 952681
SGI-Modid: xfs-linux-melb:xfs-kern:25902a
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 64ee07d..8558226 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -1942,8 +1942,10 @@
/*
* Allocate as many blocks as possible at once.
*/
- if ((error = xfs_alloc_ag_vextent(&targs)))
+ if ((error = xfs_alloc_ag_vextent(&targs))) {
+ xfs_trans_brelse(tp, agflbp);
return error;
+ }
/*
* Stop if we run out. Won't happen if callers are obeying
* the restrictions correctly. Can happen for free calls
@@ -1960,6 +1962,7 @@
return error;
}
}
+ xfs_trans_brelse(tp, agflbp);
args->agbp = agbp;
return 0;
}