This patch replaces the check (lower_file->f_flags & O_RDONLY) with
((lower_file & O_ACCMODE) == O_RDONLY).
Signed-off-by: Roberto Sassu <roberto.sassu@xxxxxxxxx>
---
fs/ecryptfs/file.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index 5cfcc3c..26bd93d 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -200,8 +200,8 @@ static int ecryptfs_open(struct inode *inode, struct file *file)
ecryptfs_dentry->d_name.name, rc);
goto out_free;
}
- if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_RDONLY)
- && !(file->f_flags & O_RDONLY)) {
+ if ((ecryptfs_inode_to_private(inode)->lower_file->f_flags & O_ACCMODE) == O_RDONLY
+ && (file->f_flags & O_ACCMODE) != O_RDONLY) {
rc = -EPERM;
printk(KERN_WARNING "%s: Lower persistent file is RO; eCryptfs "
"file must hence be opened RO\n", __func__);
--
1.7.2.3
Attachment:
smime.p7s
Description: S/MIME cryptographic signature
