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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/read_write.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/read_write.c')
| -rw-r--r-- | fs/ecryptfs/read_write.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c index ccd2599e0a4f..272eaeb9a738 100644 --- a/fs/ecryptfs/read_write.c +++ b/fs/ecryptfs/read_write.c @@ -87,7 +87,8 @@ int ecryptfs_write_lower_page_segment(struct inode *ecryptfs_inode, loff_t offset; int rc; - offset = (page_for_lower->index << PAGE_CACHE_SHIFT) + offset_in_page; + offset = ((((off_t)page_for_lower->index) << PAGE_CACHE_SHIFT) + + offset_in_page); virt = kmap(page_for_lower); rc = ecryptfs_write_lower(ecryptfs_inode, virt, offset, size); kunmap(page_for_lower); @@ -117,7 +118,8 @@ int ecryptfs_write(struct file *ecryptfs_file, char *data, loff_t offset, { struct page *ecryptfs_page; char *ecryptfs_page_virt; - u64 ecryptfs_file_size = i_size_read(ecryptfs_file->f_dentry->d_inode); + loff_t ecryptfs_file_size = + i_size_read(ecryptfs_file->f_dentry->d_inode); loff_t data_offset = 0; loff_t pos; int rc = 0; @@ -277,7 +279,7 @@ int ecryptfs_read_lower_page_segment(struct page *page_for_ecryptfs, loff_t offset; int rc; - offset = ((page_index << PAGE_CACHE_SHIFT) + offset_in_page); + offset = ((((loff_t)page_index) << PAGE_CACHE_SHIFT) + offset_in_page); virt = kmap(page_for_ecryptfs); rc = ecryptfs_read_lower(virt, offset, size, ecryptfs_inode); kunmap(page_for_ecryptfs); @@ -306,7 +308,8 @@ int ecryptfs_read(char *data, loff_t offset, size_t size, { struct page *ecryptfs_page; char *ecryptfs_page_virt; - u64 ecryptfs_file_size = i_size_read(ecryptfs_file->f_dentry->d_inode); + loff_t ecryptfs_file_size = + i_size_read(ecryptfs_file->f_dentry->d_inode); loff_t data_offset = 0; loff_t pos; int rc = 0; |