diff options
| author | OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> | 2014-02-23 23:12:41 +0900 |
|---|---|---|
| committer | Daniel Phillips <daniel@tux3.org> | 2014-02-23 23:12:41 +0900 |
| commit | 414ba309bdbf24623ace862bc32595a42bc03d87 (patch) | |
| tree | 4d9517c1354285b8d511142e56a3cc0421d35f11 | |
| parent | b2b30e83b4942c26b502f3dfab12c78eb428a1fd (diff) | |
| download | linux-tux3-414ba309bdbf24623ace862bc32595a42bc03d87.tar.gz | |
tux3: Fix overflow case on truncate path
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
| -rw-r--r-- | fs/tux3/inode.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/tux3/inode.c b/fs/tux3/inode.c index b31fea57ae95fb..8eb53047850a27 100644 --- a/fs/tux3/inode.c +++ b/fs/tux3/inode.c @@ -597,12 +597,15 @@ static int tux3_truncate(struct inode *inode, loff_t newsize) i_size_write(inode, newsize); /* Roundup. Partial page is handled by tux3_truncate_partial_block() */ holebegin = round_up(newsize, boundary); + if (newsize <= holebegin) { /* Check overflow */ #ifdef __KERNEL__ - /* FIXME: The buffer fork before invalidate. We should merge to - * truncate_pagecache() */ - tux3_truncate_inode_pages_range(inode->i_mapping, holebegin, LLONG_MAX); + /* FIXME: The buffer fork before invalidate. We should merge to + * truncate_pagecache() */ + tux3_truncate_inode_pages_range(inode->i_mapping, holebegin, + LLONG_MAX); #endif - truncate_pagecache(inode, oldsize, holebegin); + truncate_pagecache(inode, oldsize, holebegin); + } if (!is_expand) { err = tux3_add_truncate_hole(inode, newsize); |