From: Roopa Prabhu <roprabhu@cisco.com>
Date: Tue, 10 Aug 2010 18:55:20 +0000 (+0000)
Subject: enic: Check if rq/wq buf not NULL before freeing them
X-Git-Tag: v2.6.37-rc1~147^2~821
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=832177901a61aeda1f2122e323c39881ec84af65;p=karo-tx-linux.git

enic: Check if rq/wq buf not NULL before freeing them

Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: Roopa Prabhu <roprabhu@cisco.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/enic/vnic_rq.c b/drivers/net/enic/vnic_rq.c
index dbb2aca258b9..b236d7cbc137 100644
--- a/drivers/net/enic/vnic_rq.c
+++ b/drivers/net/enic/vnic_rq.c
@@ -77,8 +77,10 @@ void vnic_rq_free(struct vnic_rq *rq)
 	vnic_dev_free_desc_ring(vdev, &rq->ring);
 
 	for (i = 0; i < VNIC_RQ_BUF_BLKS_MAX; i++) {
-		kfree(rq->bufs[i]);
-		rq->bufs[i] = NULL;
+		if (rq->bufs[i]) {
+			kfree(rq->bufs[i]);
+			rq->bufs[i] = NULL;
+		}
 	}
 
 	rq->ctrl = NULL;
diff --git a/drivers/net/enic/vnic_wq.c b/drivers/net/enic/vnic_wq.c
index 122e33bcc578..4b2a6c6a569b 100644
--- a/drivers/net/enic/vnic_wq.c
+++ b/drivers/net/enic/vnic_wq.c
@@ -77,8 +77,10 @@ void vnic_wq_free(struct vnic_wq *wq)
 	vnic_dev_free_desc_ring(vdev, &wq->ring);
 
 	for (i = 0; i < VNIC_WQ_BUF_BLKS_MAX; i++) {
-		kfree(wq->bufs[i]);
-		wq->bufs[i] = NULL;
+		if (wq->bufs[i]) {
+			kfree(wq->bufs[i]);
+			wq->bufs[i] = NULL;
+		}
 	}
 
 	wq->ctrl = NULL;