From: Ron Mercer <ron.mercer@qlogic.com>
Date: Fri, 13 Feb 2009 00:37:32 +0000 (-0800)
Subject: qlge: bugfix: Add missing put_page() call.
X-Git-Tag: v2.6.29-rc5~3^2~17
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f2603c2c571978497019a50c4df84c185ffef356;p=platform%2Fkernel%2Flinux-3.10.git

qlge: bugfix: Add missing put_page() call.

We put the page back if we can't get mapping for it.  We don't
want unmapped buffers on our receive buffer queue.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 69f7d05..5b75fc9 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -907,6 +907,8 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 						   0, PAGE_SIZE,
 						   PCI_DMA_FROMDEVICE);
 				if (pci_dma_mapping_error(qdev->pdev, map)) {
+					put_page(lbq_desc->p.lbq_page);
+					lbq_desc->p.lbq_page = NULL;
 					QPRINTK(qdev, RX_STATUS, ERR,
 						"PCI mapping failed.\n");
 					return;