linux-kernel - [PATCH] bnx2x: fix mem leak when command is unknown

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Date:	Tue, 31 Jul 2012 23:39:37 +0200 (CEST)
From:	Jesper Juhl <jj@...osbits.net>
To:	Eilon Greenstein <eilong@...adcom.com>
cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] bnx2x: fix mem leak when command is unknown

In bnx2x_mcast_enqueue_cmd() we'll leak the memory allocated to
'new_cmd' if we hit the deafault case of the 'switch (cmd)'.
Add a 'kfree(new_cmd)' to that case to avoid the leak.

Signed-off-by: Jesper Juhl <jj@...osbits.net>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 1 +
 1 file changed, 1 insertion(+)

  note: due to lack of hardware this patch is compile tested only.

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 734fd87..62f754b 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -2485,6 +2485,7 @@ static int bnx2x_mcast_enqueue_cmd(struct bnx2x *bp,
 		break;
 
 	default:
+		kfree(new_cmd);
 		BNX2X_ERR("Unknown command: %d\n", cmd);
 		return -EINVAL;
 	}
-- 
1.7.11.3


-- 
Jesper Juhl <jj@...osbits.net>       http://www.chaosbits.net/
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