linux-kernel - [PATCH 2.6 6/8] infiniband/hw/nes/nes

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Message-Id: <200802211427.m1LERWee005135@velma.neteffect.com>
Date:	Thu, 21 Feb 2008 08:27:32 -0600
From:	gstreiff@...effect.com
To:	rdreier@...co.com
Cc:	bunk@...nel.org, flatif@...effect.com,
	general@...ts.openfabrics.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2.6 6/8] infiniband/hw/nes/nes_cm.c: Fix use-after-free

From: Faisal Latif <flatif@...effect.com>

Use-after-free spotted by Coverity checker.  Flagged by Adrian Bunk.

Signed-off-by: Faisal Latif <flatif@...effect.com>
Signed-off-by: Glenn Streiff <gstreiff@...effect.com>

---
 drivers/infiniband/hw/nes/nes_cm.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 78e845c..6c298aa 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -947,6 +947,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
 		nes_debug(NES_DBG_CM, "destroying listener (%p)\n", listener);
 
 		kfree(listener);
+		listener = NULL;
 		ret = 0;
 		cm_listens_destroyed++;
 	} else {
--
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