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authorChao Yu <chao2.yu@samsung.com>2016-02-14 11:56:55 +0100
committerJaegeuk Kim <jaegeuk@kernel.org>2016-02-23 01:07:23 +0100
commited3360abbc0412f32c398e1c58887d74f3d04225 (patch)
treec194ce32a500a0f4b51a81db89d09143f055fb45 /fs/f2fs/dir.c
parentf2fs: support revoking atomic written pages (diff)
downloadlinux-ed3360abbc0412f32c398e1c58887d74f3d04225.tar.xz
linux-ed3360abbc0412f32c398e1c58887d74f3d04225.zip
f2fs crypto: make sure the encryption info is initialized on opendir(2)
This patch syncs f2fs with commit 6bc445e0ff44 ("ext4 crypto: make sure the encryption info is initialized on opendir(2)") from ext4. Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/dir.c')
-rw-r--r--fs/f2fs/dir.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index ca41b2a77849..8f09da0552ac 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -902,11 +902,19 @@ out:
return err;
}
+static int f2fs_dir_open(struct inode *inode, struct file *filp)
+{
+ if (f2fs_encrypted_inode(inode))
+ return f2fs_get_encryption_info(inode) ? -EACCES : 0;
+ return 0;
+}
+
const struct file_operations f2fs_dir_operations = {
.llseek = generic_file_llseek,
.read = generic_read_dir,
.iterate = f2fs_readdir,
.fsync = f2fs_sync_file,
+ .open = f2fs_dir_open,
.unlocked_ioctl = f2fs_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = f2fs_compat_ioctl,