author: Al Viro <viro@zeniv.linux.org.uk> 2018-07-11 15:00:04 -0400
committer: Al Viro <viro@zeniv.linux.org.uk> 2018-07-12 10:04:13 -0400
commit: ea73ea7279884ba80896d4ea0f0443bf48b9e311
parent: 6de37b6dc085e7c5e092b69289af66876526da44
Commit Summary:
Diffstat:
1 file changed, 3 insertions, 5 deletions
diff --git a/fs/open.c b/fs/open.c
index 0061f9ea044d..15d2c3ab91ff 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -742,9 +742,6 @@ static int do_dentry_open(struct file *f,
static const struct file_operations empty_fops = {};
int error;
- f->f_mode = OPEN_FMODE(f->f_flags) | FMODE_LSEEK |
- FMODE_PREAD | FMODE_PWRITE;
-
path_get(&f->f_path);
f->f_inode = inode;
f->f_mapping = inode->i_mapping;
@@ -788,6 +785,8 @@ static int do_dentry_open(struct file *f,
if (error)
goto cleanup_all;
+ /* normally all 3 are set; ->open() can clear them if needed */
+ f->f_mode |= FMODE_LSEEK | FMODE_PREAD | FMODE_PWRITE;
if (!open)
open = f->f_op->open;
if (open) {
@@ -921,9 +920,8 @@ struct file *dentry_open(const struct path *path, int flags,
/* We must always pass in a valid mount pointer. */
BUG_ON(!path->mnt);
- f = alloc_empty_file(cred);
+ f = alloc_empty_file(flags, cred);
if (!IS_ERR(f)) {
- f->f_flags = flags;
error = vfs_open(path, f, cred);
if (!error) {
/* from now on we need fput() to dispose of f */