diff options
Diffstat (limited to 'fs/ecryptfs/crypto.c')
| -rw-r--r-- | fs/ecryptfs/crypto.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index 44c2ec2..2d7db61 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -1344,24 +1344,41 @@ static int ecryptfs_write_metadata_to_contents(struct ecryptfs_crypt_stat *crypt mm_segment_t oldfs; int current_header_page; int header_pages; + ssize_t size; + int rc = 0; lower_file->f_pos = 0; oldfs = get_fs(); set_fs(get_ds()); - lower_file->f_op->write(lower_file, (char __user *)page_virt, - PAGE_CACHE_SIZE, &lower_file->f_pos); + size = vfs_write(lower_file, (char __user *)page_virt, PAGE_CACHE_SIZE, + &lower_file->f_pos); + if (size < 0) { + rc = (int)size; + printk(KERN_ERR "Error attempting to write lower page; " + "rc = [%d]\n", rc); + set_fs(oldfs); + goto out; + } header_pages = ((crypt_stat->header_extent_size * crypt_stat->num_header_extents_at_front) / PAGE_CACHE_SIZE); memset(page_virt, 0, PAGE_CACHE_SIZE); current_header_page = 1; while (current_header_page < header_pages) { - lower_file->f_op->write(lower_file, (char __user *)page_virt, - PAGE_CACHE_SIZE, &lower_file->f_pos); + size = vfs_write(lower_file, (char __user *)page_virt, + PAGE_CACHE_SIZE, &lower_file->f_pos); + if (size < 0) { + rc = (int)size; + printk(KERN_ERR "Error attempting to write lower page; " + "rc = [%d]\n", rc); + set_fs(oldfs); + goto out; + } current_header_page++; } set_fs(oldfs); - return 0; +out: + return rc; } static int ecryptfs_write_metadata_to_xattr(struct dentry *ecryptfs_dentry, |
