diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-05-05 08:41:36 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-05-05 08:41:36 +0200 |
| commit | f3391a160b22f8e006f3fb8ef39aa01da749fbf0 (patch) | |
| tree | 9a8f61fe1a3dd0d12e7511567b2344f80f5aa531 /fs/ext4/file.c | |
| parent | d7847a7017b2a2759dd5590c0cffdbdf2994918e (diff) | |
| parent | 04974df8049fc4240d22759a91e035082ccd18b4 (diff) | |
Merge tag 'v4.6-rc6' into x86/cpu, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/ext4/file.c')
| -rw-r--r-- | fs/ext4/file.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 6659e216385e..fa2208bae2e1 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -329,7 +329,7 @@ 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 inode *dir = filp->f_path.dentry->d_parent->d_inode; + struct dentry *dir; struct path path; char buf[64], *cp; int ret; @@ -373,14 +373,18 @@ static int ext4_file_open(struct inode * inode, struct file * filp) if (ext4_encryption_info(inode) == NULL) return -ENOKEY; } - if (ext4_encrypted_inode(dir) && - !ext4_is_child_context_consistent_with_parent(dir, inode)) { + + dir = dget_parent(file_dentry(filp)); + if (ext4_encrypted_inode(d_inode(dir)) && + !ext4_is_child_context_consistent_with_parent(d_inode(dir), inode)) { ext4_warning(inode->i_sb, "Inconsistent encryption contexts: %lu/%lu\n", - (unsigned long) dir->i_ino, + (unsigned long) d_inode(dir)->i_ino, (unsigned long) inode->i_ino); + dput(dir); return -EPERM; } + dput(dir); /* * Set up the jbd2_inode if we are opening the inode for * writing and the journal is present @@ -428,8 +432,8 @@ static int ext4_find_unwritten_pgoff(struct inode *inode, lastoff = startoff; endoff = (loff_t)end_blk << blkbits; - index = startoff >> PAGE_CACHE_SHIFT; - end = endoff >> PAGE_CACHE_SHIFT; + index = startoff >> PAGE_SHIFT; + end = endoff >> PAGE_SHIFT; pagevec_init(&pvec, 0); do { |