linux-kernel - [RFC PATCH v3 6/6] uretprobes: implemented, thus remove -ENOSYS

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Date:	Thu, 28 Feb 2013 12:00:15 +0100
From:	Anton Arapov <anton@...hat.com>
To:	Anton Arapov <anton@...hat.com>, Oleg Nesterov <oleg@...hat.com>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Josh Stone <jistone@...hat.com>,
	Frank Eigler <fche@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...e.hu>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>
Subject: [RFC PATCH v3 6/6] uretprobes: implemented, thus remove -ENOSYS

  1/6 and 6/6 patches are here to enclose return probes implementation
as well as prohibit uprobe_register() routine with no consumer set.

v3 changes: (the patch is introduced in v3)
  - remove 'TODO' as return probes implemented now

Signed-off-by: Anton Arapov <anton@...hat.com>
---
 kernel/events/uprobes.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index deacb35..7ae338b 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -838,10 +838,6 @@ int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *
 	if (!uc->handler && !uc->rp_handler)
 		return -EINVAL;
 
-	/* TODO: Implement return probes */
-	if (uc->rp_handler)
-		return -ENOSYS;
-
 	/* Racy, just to catch the obvious mistakes */
 	if (offset > i_size_read(inode))
 		return -EINVAL;
-- 
1.8.1.2

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