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-rw-r--r--fs/file_table.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/file_table.c b/fs/file_table.c
index 5c7d10ead4ad..b8a0bb63cbd7 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -230,6 +230,15 @@ static void __fput(struct file *file)
might_sleep();
fsnotify_close(file);
+
+ /*
+ * fsnotify_create_event may have taken one or more references on this
+ * file. If it did so it left one reference for us to drop to make sure
+ * its calls to fput could not prematurely destroy the file.
+ */
+ if (atomic_long_read(&file->f_count))
+ return fput(file);
+
/*
* The function eventpoll_release() should be the first called
* in the file cleanup chain.