diff options
Diffstat (limited to 'fs/inotify.c')
| -rw-r--r-- | fs/inotify.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/inotify.c b/fs/inotify.c index bf7ce1d2412b..2fecb7af4a77 100644 --- a/fs/inotify.c +++ b/fs/inotify.c @@ -364,11 +364,12 @@ static int inotify_dev_get_wd(struct inotify_device *dev, /* * find_inode - resolve a user-given path to a specific inode and return a nd */ -static int find_inode(const char __user *dirname, struct nameidata *nd) +static int find_inode(const char __user *dirname, struct nameidata *nd, + unsigned flags) { int error; - error = __user_walk(dirname, LOOKUP_FOLLOW, nd); + error = __user_walk(dirname, flags, nd); if (error) return error; /* you can only watch an inode if you have read permissions on it */ @@ -933,6 +934,7 @@ asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask) struct file *filp; int ret, fput_needed; int mask_add = 0; + unsigned flags = 0; filp = fget_light(fd, &fput_needed); if (unlikely(!filp)) @@ -944,7 +946,12 @@ asmlinkage long sys_inotify_add_watch(int fd, const char __user *path, u32 mask) goto fput_and_out; } - ret = find_inode(path, &nd); + if (!(mask & IN_DONT_FOLLOW)) + flags |= LOOKUP_FOLLOW; + if (mask & IN_ONLYDIR) + flags |= LOOKUP_DIRECTORY; + + ret = find_inode(path, &nd, flags); if (unlikely(ret)) goto fput_and_out; |