diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-21 07:28:54 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-21 07:28:54 -0800 |
| commit | 15e551e52bf62f595f06ddf7a66b750ccfe41683 (patch) | |
| tree | c8364383eca64ad2e66a44d897fe16f0f40cb926 /fs/ecryptfs/file.c | |
| parent | 30a0f5e1fb510f17c25ff159a9fffbe01ae0f34e (diff) | |
| parent | ece550f51ba175c14ec3ec047815927d7386ea1f (diff) | |
| download | talos-obmc-linux-15e551e52bf62f595f06ddf7a66b750ccfe41683.tar.gz talos-obmc-linux-15e551e52bf62f595f06ddf7a66b750ccfe41683.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ecryptfs/ecryptfs-2.6:
ecryptfs: use after free
ecryptfs: Eliminate useless code
ecryptfs: fix interpose/interpolate typos in comments
ecryptfs: pass matching flags to interpose as defined and used there
ecryptfs: remove unnecessary d_drop calls in ecryptfs_link
ecryptfs: don't ignore return value from lock_rename
ecryptfs: initialize private persistent file before dereferencing pointer
eCryptfs: Remove mmap from directory operations
eCryptfs: Add getattr function
eCryptfs: Use notify_change for truncating lower inodes
Diffstat (limited to 'fs/ecryptfs/file.c')
| -rw-r--r-- | fs/ecryptfs/file.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c index 9e944057001b..678172b61be2 100644 --- a/fs/ecryptfs/file.c +++ b/fs/ecryptfs/file.c @@ -158,7 +158,7 @@ static int ecryptfs_open(struct inode *inode, struct file *file) struct dentry *ecryptfs_dentry = file->f_path.dentry; /* Private value of ecryptfs_dentry allocated in * ecryptfs_lookup() */ - struct dentry *lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry); + struct dentry *lower_dentry; struct ecryptfs_file_info *file_info; mount_crypt_stat = &ecryptfs_superblock_to_private( @@ -191,13 +191,6 @@ static int ecryptfs_open(struct inode *inode, struct file *file) | ECRYPTFS_ENCRYPTED); } mutex_unlock(&crypt_stat->cs_mutex); - if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY) - && !(file->f_flags & O_RDONLY)) { - rc = -EPERM; - printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs " - "file must hence be opened RO\n", __func__); - goto out; - } if (!ecryptfs_inode_to_private(inode)->lower_file) { rc = ecryptfs_init_persistent_file(ecryptfs_dentry); if (rc) { @@ -208,6 +201,13 @@ static int ecryptfs_open(struct inode *inode, struct file *file) goto out; } } + if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY) + && !(file->f_flags & O_RDONLY)) { + rc = -EPERM; + printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs " + "file must hence be opened RO\n", __func__); + goto out; + } ecryptfs_set_file_lower( file, ecryptfs_inode_to_private(inode)->lower_file); if (S_ISDIR(ecryptfs_dentry->d_inode->i_mode)) { @@ -299,7 +299,6 @@ static int ecryptfs_ioctl(struct inode *inode, struct file *file, const struct file_operations ecryptfs_dir_fops = { .readdir = ecryptfs_readdir, .ioctl = ecryptfs_ioctl, - .mmap = generic_file_mmap, .open = ecryptfs_open, .flush = ecryptfs_flush, .release = ecryptfs_release, |
