1 files changed, 9 insertions, 1 deletions

diff --git a/fs/inotify_user.c b/fs/inotify_user.c
index 55f6da55b7c0..9f2224f65a18 100644
--- a/fs/inotify_user.c
+++ b/fs/inotify_user.c
@@ -455,8 +455,16 @@ static ssize_t inotify_read(struct file *file, char __user *buf,
                         break;
 
                 kevent = inotify_dev_get_event(dev);
-                if (event_size + kevent->event.len > count)
+                if (event_size + kevent->event.len > count) {
+                        if (ret == 0 && count > 0) {
+                                /*
+                                 * could not get a single event because we
+                                 * didn't have enough buffer space.
+                                 */
+                                ret = -EINVAL;
+                        }
                         break;
+                }
 
                 if (copy_to_user(buf, &kevent->event, event_size)) {
                         ret = -EFAULT;