lkml.org 
[lkml]   [2012]   [Mar]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[ 030/108] rtlwifi: Handle previous allocation failures when freeing device memory
3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Simon Graham <simon.graham@virtualcomputer.com>

commit 7f66c2f93e5779625c10d262c84537427a2673ca upstream.

Handle previous allocation failures when freeing device memory

Signed-off-by: Simon Graham <simon.graham@virtualcomputer.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/net/wireless/rtlwifi/pci.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)

--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -1180,10 +1180,12 @@ static void _rtl_pci_free_tx_ring(struct
ring->idx = (ring->idx + 1) % ring->entries;
}

- pci_free_consistent(rtlpci->pdev,
- sizeof(*ring->desc) * ring->entries,
- ring->desc, ring->dma);
- ring->desc = NULL;
+ if (ring->desc) {
+ pci_free_consistent(rtlpci->pdev,
+ sizeof(*ring->desc) * ring->entries,
+ ring->desc, ring->dma);
+ ring->desc = NULL;
+ }
}

static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci)
@@ -1207,12 +1209,14 @@ static void _rtl_pci_free_rx_ring(struct
kfree_skb(skb);
}

- pci_free_consistent(rtlpci->pdev,
+ if (rtlpci->rx_ring[rx_queue_idx].desc) {
+ pci_free_consistent(rtlpci->pdev,
sizeof(*rtlpci->rx_ring[rx_queue_idx].
desc) * rtlpci->rxringcount,
rtlpci->rx_ring[rx_queue_idx].desc,
rtlpci->rx_ring[rx_queue_idx].dma);
- rtlpci->rx_ring[rx_queue_idx].desc = NULL;
+ rtlpci->rx_ring[rx_queue_idx].desc = NULL;
+ }
}
}




\
 
 \ /
  Last update: 2012-03-30 23:07    [W:0.255 / U:0.612 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site