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| author | Eric Paris <eparis@redhat.com> | 2010-10-29 01:21:56 +0400 |
|---|---|---|
| committer | Eric Paris <eparis@redhat.com> | 2010-10-29 01:22:13 +0400 |
| commit | 52420392c81c8712f555e6bcd116d8bd214ce43a (patch) | |
| tree | 372d23bba71ee687ff5adf5b83d3fd0706e19927 /include/linux/fsnotify.h | |
| parent | ff8bcbd03da881bf1171910c6c07d44bd3c0a234 (diff) | |
| download | linux-52420392c81c8712f555e6bcd116d8bd214ce43a.tar.xz | |
fsnotify: call fsnotify_parent in perm events
fsnotify perm events do not call fsnotify parent. That means you cannot
register a perm event on a directory and enforce permissions on all inodes in
that directory. This patch fixes that situation.
Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'include/linux/fsnotify.h')
| -rw-r--r-- | include/linux/fsnotify.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index 59d0df43ff9d..5059faacceab 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -26,12 +26,12 @@ static inline void fsnotify_d_instantiate(struct dentry *dentry, } /* Notify this dentry's parent about a child's events. */ -static inline void fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask) +static inline int fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask) { if (!dentry) dentry = path->dentry; - __fsnotify_parent(path, dentry, mask); + return __fsnotify_parent(path, dentry, mask); } /* simple call site for access decisions */ @@ -40,6 +40,7 @@ static inline int fsnotify_perm(struct file *file, int mask) struct path *path = &file->f_path; struct inode *inode = path->dentry->d_inode; __u32 fsnotify_mask = 0; + int ret; if (file->f_mode & FMODE_NONOTIFY) return 0; @@ -52,6 +53,10 @@ static inline int fsnotify_perm(struct file *file, int mask) else BUG(); + ret = fsnotify_parent(path, NULL, fsnotify_mask); + if (ret) + return ret; + return fsnotify(inode, fsnotify_mask, path, FSNOTIFY_EVENT_PATH, NULL, 0); } |