X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Feventpoll.c;h=af903128891cfa0365f7fac36ba8fc052cc584a4;hb=12870f1c9b2de7d475d22e73fd7db1b418599725;hp=8b5e2584c840903bc9aeffab1a31aa0a2149b595;hpb=95fcfa70f3bc4b3b82bf582fa5b24a39bdbd23ae;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 8b5e2584c840..af903128891c 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1907,10 +1907,6 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
 			}
 		}
 	}
-	if (op == EPOLL_CTL_DEL && is_file_epoll(tf.file)) {
-		tep = tf.file->private_data;
-		mutex_lock_nested(&tep->mtx, 1);
-	}
 
 	/*
 	 * Try to lookup the file inside our RB tree, Since we grabbed "mtx"