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 09/11] firewire net: Allocate dev->broadcast_rcv_buffer_ptrs early.
Date: Fri, 08 Mar 2013 10:43:55 +0900 [thread overview]
Message-ID: <5139425B.2040107@linux-ipv6.org> (raw)
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
---
drivers/firewire/net.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
index 0dc2fdf..21210fb 100644
--- a/drivers/firewire/net.c
+++ b/drivers/firewire/net.c
@@ -1163,6 +1163,13 @@ static int fwnet_broadcast_start(struct fwnet_device *dev)
max_receive = 1U << (dev->card->max_receive + 1);
num_packets = (FWNET_ISO_PAGE_COUNT * PAGE_SIZE) / max_receive;
+ ptrptr = kmalloc(sizeof(void *) * num_packets, GFP_KERNEL);
+ if (!ptrptr) {
+ retval = -ENOMEM;
+ goto failed_ptrs_alloc;
+ }
+ dev->broadcast_rcv_buffer_ptrs = ptrptr;
+
context = fw_iso_context_create(dev->card, FW_ISO_CONTEXT_RECEIVE,
IEEE1394_BROADCAST_CHANNEL,
dev->card->link_speed, 8,
@@ -1177,13 +1184,6 @@ static int fwnet_broadcast_start(struct fwnet_device *dev)
if (retval < 0)
goto failed_buffer_init;
- ptrptr = kmalloc(sizeof(void *) * num_packets, GFP_KERNEL);
- if (!ptrptr) {
- retval = -ENOMEM;
- goto failed_ptrs_alloc;
- }
-
- dev->broadcast_rcv_buffer_ptrs = ptrptr;
for (u = 0; u < FWNET_ISO_PAGE_COUNT; u++) {
void *ptr;
unsigned v;
@@ -1226,16 +1226,16 @@ static int fwnet_broadcast_start(struct fwnet_device *dev)
return 0;
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:
fw_iso_context_destroy(context);
dev->broadcast_rcv_context = NULL;
failed_context_create:
+ kfree(dev->broadcast_rcv_buffer_ptrs);
+ dev->broadcast_rcv_buffer_ptrs = NULL;
+ failed_ptrs_alloc:
return retval;
}
@@ -1626,8 +1626,6 @@ static int fwnet_remove(struct device *_dev)
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]);
@@ -1635,6 +1633,8 @@ static int fwnet_remove(struct device *_dev)
dev->card);
fw_iso_context_destroy(dev->broadcast_rcv_context);
dev->broadcast_rcv_context = NULL;
+ kfree(dev->broadcast_rcv_buffer_ptrs);
+ dev->broadcast_rcv_buffer_ptrs = NULL;
dev->broadcast_state = FWNET_BROADCAST_ERROR;
}
for (i = 0; dev->queued_datagrams && i < 5; i++)
--
1.7.9.5
reply other threads:[~2013-03-08 1:43 UTC|newest]
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