From: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
To: stefanr@s5r6.in-berlin.de, linux1394-devel@lists.sourceforge.net
Cc: netdev@vger.kernel.org
Subject: [RFC net-next 08/11] firewire net: Fix leakage of kmap for broadcast receive buffer.
Date: Fri, 08 Mar 2013 10:43:37 +0900 [thread overview]
Message-ID: <51394249.50305@linux-ipv6.org> (raw)
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
---
drivers/firewire/net.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
index d8cb6ac..0dc2fdf 100644
--- a/drivers/firewire/net.c
+++ b/drivers/firewire/net.c
@@ -1228,6 +1228,8 @@ static int fwnet_broadcast_start(struct fwnet_device *dev)
failed_rcv_queue:
kfree(dev->broadcast_rcv_buffer_ptrs);
dev->broadcast_rcv_buffer_ptrs = NULL;
+ for (u = 0; u < FWNET_ISO_PAGE_COUNT; u++)
+ kunmap(dev->broadcast_rcv_buffer.pages[u]);
failed_ptrs_alloc:
fw_iso_buffer_destroy(&dev->broadcast_rcv_buffer, dev->card);
failed_buffer_init:
@@ -1620,10 +1622,15 @@ static int fwnet_remove(struct device *_dev)
fwnet_fifo_stop(dev);
if (dev->broadcast_rcv_context) {
+ unsigned u;
+
fw_iso_context_stop(dev->broadcast_rcv_context);
kfree(dev->broadcast_rcv_buffer_ptrs);
dev->broadcast_rcv_buffer_ptrs = NULL;
+ for (u = 0; u < FWNET_ISO_PAGE_COUNT; u++)
+ kunmap(dev->broadcast_rcv_buffer.pages[u]);
+
fw_iso_buffer_destroy(&dev->broadcast_rcv_buffer,
dev->card);
fw_iso_context_destroy(dev->broadcast_rcv_context);
--
1.7.9.5
reply other threads:[~2013-03-08 1:43 UTC|newest]
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