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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-14 11:35:15 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-14 11:35:15 -0800 |
| commit | 32190f0afbf4f1c0a9142e5a886a078ee0b794fd (patch) | |
| tree | 865f5cd7effacf40c02e7cda5c31fef8a0624c89 /fs/ext4/file.c | |
| parent | 37dc79565c4b7e735f190eaa6ed5bb6eb3d3968a (diff) | |
| parent | a0b3bc855374c50b5ea85273553485af48caf2f7 (diff) | |
| download | linux-32190f0afbf4f1c0a9142e5a886a078ee0b794fd.tar.gz | |
Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt
Pull fscrypt updates from Ted Ts'o:
"Lots of cleanups, mostly courtesy by Eric Biggers"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/fscrypt:
fscrypt: lock mutex before checking for bounce page pool
fscrypt: add a documentation file for filesystem-level encryption
ext4: switch to fscrypt_prepare_setattr()
ext4: switch to fscrypt_prepare_lookup()
ext4: switch to fscrypt_prepare_rename()
ext4: switch to fscrypt_prepare_link()
ext4: switch to fscrypt_file_open()
fscrypt: new helper function - fscrypt_prepare_setattr()
fscrypt: new helper function - fscrypt_prepare_lookup()
fscrypt: new helper function - fscrypt_prepare_rename()
fscrypt: new helper function - fscrypt_prepare_link()
fscrypt: new helper function - fscrypt_file_open()
fscrypt: new helper function - fscrypt_require_key()
fscrypt: remove unneeded empty fscrypt_operations structs
fscrypt: remove ->is_encrypted()
fscrypt: switch from ->is_encrypted() to IS_ENCRYPTED()
fs, fscrypt: add an S_ENCRYPTED inode flag
fscrypt: clean up include file mess
Diffstat (limited to 'fs/ext4/file.c')
| -rw-r--r-- | fs/ext4/file.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 5cb9aa3ad249a..b937078bcff31 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -365,7 +365,6 @@ static int ext4_file_open(struct inode * inode, struct file * filp) struct super_block *sb = inode->i_sb; struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb); struct vfsmount *mnt = filp->f_path.mnt; - struct dentry *dir; struct path path; char buf[64], *cp; int ret; @@ -405,25 +404,11 @@ static int ext4_file_open(struct inode * inode, struct file * filp) ext4_journal_stop(handle); } } - if (ext4_encrypted_inode(inode)) { - ret = fscrypt_get_encryption_info(inode); - if (ret) - return -EACCES; - if (!fscrypt_has_encryption_key(inode)) - return -ENOKEY; - } - dir = dget_parent(file_dentry(filp)); - if (ext4_encrypted_inode(d_inode(dir)) && - !fscrypt_has_permitted_context(d_inode(dir), inode)) { - ext4_warning(inode->i_sb, - "Inconsistent encryption contexts: %lu/%lu", - (unsigned long) d_inode(dir)->i_ino, - (unsigned long) inode->i_ino); - dput(dir); - return -EPERM; - } - dput(dir); + ret = fscrypt_file_open(inode, filp); + if (ret) + return ret; + /* * Set up the jbd2_inode if we are opening the inode for * writing and the journal is present |