diff mbox

[RFC,net-next,08/11] firewire net: Fix leakage of kmap for broadcast receive buffer.

Message ID 51394249.50305@linux-ipv6.org
State RFC, archived
Delegated to: David Miller
Headers show

Commit Message

YOSHIFUJI Hideaki / 吉藤英明 March 8, 2013, 1:43 a.m. UTC 
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
---
 drivers/firewire/net.c |    7 +++++++
 1 file changed, 7 insertions(+)
diff mbox

Patch

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);