summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--fs/inotify_user.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/inotify_user.c b/fs/inotify_user.c
index 55f6da5..9f2224f 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;