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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-17 02:17:59 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-17 02:17:59 -0400 |
| commit | 0e0162bb8c008fa7742f69d4d4982c8a37b88f95 (patch) | |
| tree | 4b230ab63b5698a44d2948e70a6cc22405c351e9 /fs/f2fs/file.c | |
| parent | ae05327a00fd47c34dfe25294b359a3f3fef96e8 (diff) | |
| parent | 38b78a5f18584db6fa7441e0f4531b283b0e6725 (diff) | |
| download | linux-0e0162bb8c008fa7742f69d4d4982c8a37b88f95.tar.bz2 | |
Merge branch 'ovl-fixes' into for-linus
Backmerge to resolve a conflict in ovl_lookup_real();
"ovl_lookup_real(): use lookup_one_len_unlocked()" instead,
but it was too late in the cycle to rebase.
Diffstat (limited to 'fs/f2fs/file.c')
| -rw-r--r-- | fs/f2fs/file.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 443e07705c2a..90d1157a09f9 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -441,7 +441,7 @@ static int f2fs_file_mmap(struct file *file, struct vm_area_struct *vma) static int f2fs_file_open(struct inode *inode, struct file *filp) { int ret = generic_file_open(inode, filp); - struct inode *dir = filp->f_path.dentry->d_parent->d_inode; + struct dentry *dir; if (!ret && f2fs_encrypted_inode(inode)) { ret = fscrypt_get_encryption_info(inode); @@ -450,9 +450,13 @@ static int f2fs_file_open(struct inode *inode, struct file *filp) if (!fscrypt_has_encryption_key(inode)) return -ENOKEY; } - if (f2fs_encrypted_inode(dir) && - !fscrypt_has_permitted_context(dir, inode)) + dir = dget_parent(file_dentry(filp)); + if (f2fs_encrypted_inode(d_inode(dir)) && + !fscrypt_has_permitted_context(d_inode(dir), inode)) { + dput(dir); return -EPERM; + } + dput(dir); return ret; } |