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| author | Michael Halcrow <mhalcrow@us.ibm.com> | 2007-10-16 10:28:12 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-16 18:43:12 +0200 |
| commit | d6a13c17164fccab8aa96ca435ddacbf428335ca (patch) | |
| tree | 8995bb0b5c22a97c8f6c86eff797ff2de0421ee2 /fs/ecryptfs/mmap.c | |
| parent | eCryptfs: convert mmap functions to use persistent file (diff) | |
| download | linux-d6a13c17164fccab8aa96ca435ddacbf428335ca.tar.xz linux-d6a13c17164fccab8aa96ca435ddacbf428335ca.zip | |
eCryptfs: fix data types
Update data types and add casts in order to avoid potential overflow
issues.
Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ecryptfs/mmap.c')
| -rw-r--r-- | fs/ecryptfs/mmap.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 9bc707df3b60..6ae0afb238d1 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -286,7 +286,8 @@ ecryptfs_copy_up_encrypted_with_header(struct page *page, int rc = 0; while (extent_num_in_page < num_extents_per_page) { - loff_t view_extent_num = ((page->index * num_extents_per_page) + loff_t view_extent_num = ((((loff_t)page->index) + * num_extents_per_page) + extent_num_in_page); if (view_extent_num < crypt_stat->num_header_extents_at_front) { @@ -706,7 +707,7 @@ static int ecryptfs_commit_write(struct file *file, struct page *page, "index [0x%.16x])\n", page->index); goto out; } - pos = (page->index << PAGE_CACHE_SHIFT) + to; + pos = (((loff_t)page->index) << PAGE_CACHE_SHIFT) + to; if (pos > i_size_read(ecryptfs_inode)) { i_size_write(ecryptfs_inode, pos); ecryptfs_printk(KERN_DEBUG, "Expanded file size to " |