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Diffstat (limited to 'fs/ecryptfs/read_write.c')
-rw-r--r--fs/ecryptfs/read_write.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c
index 85d430963116..3745f7c2b9c2 100644
--- a/fs/ecryptfs/read_write.c
+++ b/fs/ecryptfs/read_write.c
@@ -39,15 +39,16 @@
39int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data, 39int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data,
40 loff_t offset, size_t size) 40 loff_t offset, size_t size)
41{ 41{
42 struct ecryptfs_inode_info *inode_info; 42 struct file *lower_file;
43 mm_segment_t fs_save; 43 mm_segment_t fs_save;
44 ssize_t rc; 44 ssize_t rc;
45 45
46 inode_info = ecryptfs_inode_to_private(ecryptfs_inode); 46 lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;
47 BUG_ON(!inode_info->lower_file); 47 if (!lower_file)
48 return -EIO;
48 fs_save = get_fs(); 49 fs_save = get_fs();
49 set_fs(get_ds()); 50 set_fs(get_ds());
50 rc = vfs_write(inode_info->lower_file, data, size, &offset); 51 rc = vfs_write(lower_file, data, size, &offset);
51 set_fs(fs_save); 52 set_fs(fs_save);
52 mark_inode_dirty_sync(ecryptfs_inode); 53 mark_inode_dirty_sync(ecryptfs_inode);
53 return rc; 54 return rc;
@@ -225,15 +226,16 @@ out:
225int ecryptfs_read_lower(char *data, loff_t offset, size_t size, 226int ecryptfs_read_lower(char *data, loff_t offset, size_t size,
226 struct inode *ecryptfs_inode) 227 struct inode *ecryptfs_inode)
227{ 228{
228 struct ecryptfs_inode_info *inode_info = 229 struct file *lower_file;
229 ecryptfs_inode_to_private(ecryptfs_inode);
230 mm_segment_t fs_save; 230 mm_segment_t fs_save;
231 ssize_t rc; 231 ssize_t rc;
232 232
233 BUG_ON(!inode_info->lower_file); 233 lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;
234 if (!lower_file)
235 return -EIO;
234 fs_save = get_fs(); 236 fs_save = get_fs();
235 set_fs(get_ds()); 237 set_fs(get_ds());
236 rc = vfs_read(inode_info->lower_file, data, size, &offset); 238 rc = vfs_read(lower_file, data, size, &offset);
237 set_fs(fs_save); 239 set_fs(fs_save);
238 return rc; 240 return rc;
239} 241}