linux-kernel - [PATCH 2/7] uprobes: Kill the "uprobe != NULL" check in uprobe

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Message-ID: <20121123202802.GA18884@redhat.com>
Date:	Fri, 23 Nov 2012 21:28:02 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Anton Arapov <anton@...hat.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 2/7] uprobes: Kill the "uprobe != NULL" check in
	uprobe_unregister()

Trivial. uprobe can't be NULL after mutex_unlock(), it was already used.

Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---
 kernel/events/uprobes.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index e9f22ed..13b247c 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -900,8 +900,7 @@ void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consume
 	}
 
 	mutex_unlock(uprobes_hash(inode));
-	if (uprobe)
-		put_uprobe(uprobe);
+	put_uprobe(uprobe);
 }
 
 static struct rb_node *
-- 
1.5.5.1

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