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-rw-r--r--fs/xfs/libxfs/xfs_btree.c3
-rw-r--r--fs/xfs/libxfs/xfs_btree_staging.c2
2 files changed, 5 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index e6d9f7caaf1a..b0a7d3047dcd 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -2944,6 +2944,7 @@ xfs_btree_promote_leaf_iroot(
/* Zap the old root and change the tree height. */
xfs_iroot_free(cur->bc_ino.ip, cur->bc_ino.whichfork);
cur->bc_nlevels++;
+ ASSERT(cur->bc_nlevels <= XFS_BTREE_MAXLEVELS);
cur->bc_ptrs[1] = 1;
/*
@@ -2999,6 +3000,7 @@ xfs_btree_promote_node_iroot(
*/
be16_add_cpu(&block->bb_level, 1);
cur->bc_nlevels++;
+ ASSERT(cur->bc_nlevels <= XFS_BTREE_MAXLEVELS);
cur->bc_ptrs[level + 1] = 1;
/*
@@ -3235,6 +3237,7 @@ xfs_btree_new_root(
xfs_btree_setbuf(cur, cur->bc_nlevels, nbp);
cur->bc_ptrs[cur->bc_nlevels] = nptr;
cur->bc_nlevels++;
+ ASSERT(cur->bc_nlevels <= XFS_BTREE_MAXLEVELS);
*stat = 1;
return 0;
error0:
diff --git a/fs/xfs/libxfs/xfs_btree_staging.c b/fs/xfs/libxfs/xfs_btree_staging.c
index f3097674564e..6d9c89d8c918 100644
--- a/fs/xfs/libxfs/xfs_btree_staging.c
+++ b/fs/xfs/libxfs/xfs_btree_staging.c
@@ -712,6 +712,7 @@ xfs_btree_bload_compute_geometry(
* block-based btree level.
*/
cur->bc_nlevels++;
+ ASSERT(cur->bc_nlevels <= XFS_BTREE_MAXLEVELS);
xfs_btree_bload_level_geometry(cur, bbl, level,
nr_this_level, &avg_per_block,
&level_blocks, &dontcare64);
@@ -727,6 +728,7 @@ xfs_btree_bload_compute_geometry(
/* Otherwise, we need another level of btree. */
cur->bc_nlevels++;
+ ASSERT(cur->bc_nlevels <= XFS_BTREE_MAXLEVELS);
}
nr_blocks += level_blocks;