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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-07 08:10:48 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-07 08:10:48 -0800 |
| commit | 5331be090567d9335476f876b2d85427cd7c4426 (patch) | |
| tree | 356842da9d4c3966a9781f6eb05fa77beec144bc /fs/jfs/jfs_xtree.c | |
| parent | d3f8fd765e94b9137e1f27bbb0ac25289f9e565c (diff) | |
| parent | 7220c0177b45600eef2cfd3e5e57ab5b96f3222c (diff) | |
| download | op-kernel-dev-5331be090567d9335476f876b2d85427cd7c4426.zip op-kernel-dev-5331be090567d9335476f876b2d85427cd7c4426.tar.gz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6:
JFS: Remove incorrect kgdb define
JFS: call io_schedule() instead of schedule() to avoid deadlock
JFS: Add lockdep annotations
JFS: Avoid BUG() on a damaged file system
Diffstat (limited to 'fs/jfs/jfs_xtree.c')
| -rw-r--r-- | fs/jfs/jfs_xtree.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/jfs/jfs_xtree.c b/fs/jfs/jfs_xtree.c index e98eb03..acc97c4 100644 --- a/fs/jfs/jfs_xtree.c +++ b/fs/jfs/jfs_xtree.c @@ -757,6 +757,11 @@ static int xtSearch(struct inode *ip, s64 xoff, s64 *nextp, nsplit = 0; /* push (bn, index) of the parent page/entry */ + if (BT_STACK_FULL(btstack)) { + jfs_error(ip->i_sb, "stack overrun in xtSearch!"); + XT_PUTPAGE(mp); + return -EIO; + } BT_PUSH(btstack, bn, index); /* get the child page block number */ @@ -3915,6 +3920,11 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag) */ getChild: /* save current parent entry for the child page */ + if (BT_STACK_FULL(&btstack)) { + jfs_error(ip->i_sb, "stack overrun in xtTruncate!"); + XT_PUTPAGE(mp); + return -EIO; + } BT_PUSH(&btstack, bn, index); /* get child page */ @@ -4112,6 +4122,11 @@ s64 xtTruncate_pmap(tid_t tid, struct inode *ip, s64 committed_size) */ getChild: /* save current parent entry for the child page */ + if (BT_STACK_FULL(&btstack)) { + jfs_error(ip->i_sb, "stack overrun in xtTruncate_pmap!"); + XT_PUTPAGE(mp); + return -EIO; + } BT_PUSH(&btstack, bn, index); /* get child page */ |
