uretprobes: Remove -ENOSYS as return probes implemented

Enclose return probes implementation.

Signed-off-by: Anton Arapov <anton@redhat.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 6ab00e0..f356974 100644 (file)
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -851,10 +851,6 @@ int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *
        if (!uc->handler && !uc->ret_handler)
                return -EINVAL;
 
-       /* TODO: Implement return probes */
-       if (uc->ret_handler)
-               return -ENOSYS;
-
        /* Racy, just to catch the obvious mistakes */
        if (offset > i_size_read(inode))
                return -EINVAL;