netdev - [PATCH net 1/3] alx: fix wrong condition to free descriptor memory

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Message-Id: <e10a8070a2f3d029b5080d90cd38f1602a710cfa.1485263833.git.tobias.regnery@gmail.com>
Date:   Tue, 24 Jan 2017 14:34:22 +0100
From:   Tobias Regnery <tobias.regnery@...il.com>
To:     netdev@...r.kernel.org, jcliburn@...il.com, chris.snook@...il.com
Cc:     davem@...emloft.net, Tobias Regnery <tobias.regnery@...il.com>
Subject: [PATCH net 1/3] alx: fix wrong condition to free descriptor memory

The condition to free the descriptor memory is wrong, we want to free the
memory if it is set and not if it is unset. Invert the test to fix this
issue.

Fixes: b0999223f224b ("alx: add ability to allocate and free alx_napi structures")
Signed-off-by: Tobias Regnery <tobias.regnery@...il.com>
---
 drivers/net/ethernet/atheros/alx/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c
index c8f525574d68..765306bd78c2 100644
--- a/drivers/net/ethernet/atheros/alx/main.c
+++ b/drivers/net/ethernet/atheros/alx/main.c
@@ -703,7 +703,7 @@ static void alx_free_rings(struct alx_priv *alx)
 	if (alx->qnapi[0] && alx->qnapi[0]->rxq)
 		kfree(alx->qnapi[0]->rxq->bufs);
 
-	if (!alx->descmem.virt)
+	if (alx->descmem.virt)
 		dma_free_coherent(&alx->hw.pdev->dev,
 				  alx->descmem.size,
 				  alx->descmem.virt,
-- 
2.9.3