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-rw-r--r--fs/inotify.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/inotify.c b/fs/inotify.c
index bf7ce1d..2fecb7a 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;