From: Al Viro <v...@zeniv.linux.org.uk>
FMODE_OPENED can be used to distingusish "successful open" from the
"called finish_no_open(), do it yourself" cases. Since finish_no_open()
has been adjusted, no changes in the instances were actually needed.
The caller has been adjusted.
Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
---
fs/namei.c | 30 +++++++++++++++---------------
fs/open.c | 4 ++--
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 4ce780a8ebbc..8b1e5cb85f58 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3054,21 +3054,21 @@ static int atomic_open(struct nameidata *nd, struct
dentry *dentry,
open_to_namei_flags(open_flag), mode);
d_lookup_done(dentry);
if (!error) {
- /*
- * We didn't have the inode before the open, so check open
- * permission here.
- */
- int acc_mode = op->acc_mode;
- if (file->f_mode & FMODE_CREATED) {
- WARN_ON(!(open_flag & O_CREAT));
- fsnotify_create(dir, dentry);
- acc_mode = 0;
- }
- error = may_open(&file->f_path, acc_mode, open_flag);
- if (WARN_ON(error > 0))
- error = -EINVAL;
- } else if (error > 0) {
- if (WARN_ON(file->f_path.dentry == DENTRY_NOT_SET)) {
+ if (file->f_mode & FMODE_OPENED) {
+ /*
+ * We didn't have the inode before the open, so check
open
+ * permission here.
+ */
+ int acc_mode = op->acc_mode;
+ if (file->f_mode & FMODE_CREATED) {
+ WARN_ON(!(open_flag & O_CREAT));
+ fsnotify_create(dir, dentry);
+ acc_mode = 0;
+ }
+ error = may_open(&file->f_path, acc_mode, open_flag);
+ if (WARN_ON(error > 0))
+ error = -EINVAL;
+ } else if (WARN_ON(file->f_path.dentry == DENTRY_NOT_SET)) {
error = -EIO;
} else {
if (file->f_path.dentry) {
diff --git a/fs/open.c b/fs/open.c
index a46ba6647562..2649b6695f60 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -866,13 +866,13 @@ EXPORT_SYMBOL(finish_open);
* NB: unlike finish_open() this function does consume the dentry reference and
* the caller need not dput() it.
*
- * Returns "1" which must be the return value of ->atomic_open() after having
+ * Returns "0" which must be the return value of ->atomic_open() after having
* called this function.
*/
int finish_no_open(struct file *file, struct dentry *dentry)
{
file->f_path.dentry = dentry;
- return 1;
+ return 0;
}
EXPORT_SYMBOL(finish_no_open);
--
2.11.0
