diff options
author | David S. Miller <davem@davemloft.net> | 2008-03-17 23:44:31 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2008-03-17 23:44:31 -0700 |
commit | 2f633928cbba8a5858bb39b11e7219a41b0fbef5 (patch) | |
tree | 9a82f4b7f2c3afe4b0208d8e44ea61bae90a7d22 /fs/hfs/brec.c | |
parent | 5e226e4d9016daee170699f8a4188a5505021756 (diff) | |
parent | bde4f8fa8db2abd5ac9c542d76012d0fedab050f (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/hfs/brec.c')
-rw-r--r-- | fs/hfs/brec.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/hfs/brec.c b/fs/hfs/brec.c index 878bf25dbc6..92fb358ce82 100644 --- a/fs/hfs/brec.c +++ b/fs/hfs/brec.c @@ -229,7 +229,7 @@ skip: static struct hfs_bnode *hfs_bnode_split(struct hfs_find_data *fd) { struct hfs_btree *tree; - struct hfs_bnode *node, *new_node; + struct hfs_bnode *node, *new_node, *next_node; struct hfs_bnode_desc node_desc; int num_recs, new_rec_off, new_off, old_rec_off; int data_start, data_end, size; @@ -248,6 +248,17 @@ static struct hfs_bnode *hfs_bnode_split(struct hfs_find_data *fd) new_node->type = node->type; new_node->height = node->height; + if (node->next) + next_node = hfs_bnode_find(tree, node->next); + else + next_node = NULL; + + if (IS_ERR(next_node)) { + hfs_bnode_put(node); + hfs_bnode_put(new_node); + return next_node; + } + size = tree->node_size / 2 - node->num_recs * 2 - 14; old_rec_off = tree->node_size - 4; num_recs = 1; @@ -261,6 +272,8 @@ static struct hfs_bnode *hfs_bnode_split(struct hfs_find_data *fd) /* panic? */ hfs_bnode_put(node); hfs_bnode_put(new_node); + if (next_node) + hfs_bnode_put(next_node); return ERR_PTR(-ENOSPC); } @@ -315,8 +328,7 @@ static struct hfs_bnode *hfs_bnode_split(struct hfs_find_data *fd) hfs_bnode_write(node, &node_desc, 0, sizeof(node_desc)); /* update next bnode header */ - if (new_node->next) { - struct hfs_bnode *next_node = hfs_bnode_find(tree, new_node->next); + if (next_node) { next_node->prev = new_node->this; hfs_bnode_read(next_node, &node_desc, 0, sizeof(node_desc)); node_desc.prev = cpu_to_be32(next_node->prev); |