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Ensure FMODE_NONOTIFY is not set by userspace 

In fsnotify_open() ensure that FMODE_NONOTIFY is never set by userspace.
    Also always call fsnotify_parent and fsnotify.

Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Lino Sanfilippo 2010-10-29 12:02:17 +02:00 committed by Eric Paris
parent 1a5cea7215
commit 6bff7eccb0
1 changed files with 5 additions and 4 deletions
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9
include/linux/fsnotify.h
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@ -235,10 +235,11 @@ static inline void fsnotify_open(struct file *file)
if (S_ISDIR(inode->i_mode))
mask |= FS_ISDIR;
if (!(file->f_mode & FMODE_NONOTIFY)) {
fsnotify_parent(path, NULL, mask);
fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
}
/* FMODE_NONOTIFY must never be set from user */
file->f_mode &= ~FMODE_NONOTIFY;
fsnotify_parent(path, NULL, mask);
fsnotify(inode, mask, path, FSNOTIFY_EVENT_PATH, NULL, 0);
}
/*