linux-kernel - [PATCH 2/2] IB/sysfs: fix memory leak

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Date:	Sun,  5 Jun 2016 21:13:56 +0100
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Doug Ledford <dledford@...hat.com>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH 2/2] IB/sysfs: fix memory leak

If the allocation of hsag fails we were just returning but stats was
not released.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
---
 drivers/infiniband/core/sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index fcf6f9c..8d8732c 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -906,7 +906,7 @@ static void setup_hw_stats(struct ib_device *device, struct ib_port *port,
 		       sizeof(void *) * (stats->num_counters + 1),
 		       GFP_KERNEL);
 	if (!hsag)
-		return;
+		goto err;
 
 	ret = device->get_hw_stats(device, stats, port_num,
 				   stats->num_counters);
-- 
1.9.1