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authorYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>2013-03-08 10:43:55 +0900
committerStefan Richter <stefanr@s5r6.in-berlin.de>2013-03-13 16:11:12 +0100
commiteac31d58ca2818e3fdc7a6e78fa1b56965f604e9 (patch)
tree52319b8b9810c19834e9ba228eb17bb805bd1bfa /drivers/firewire
parentd9d2b484e0006d51591c3b9594e9d5f73b1a8d08 (diff)
downloadlinux-linaro-stable-eac31d58ca2818e3fdc7a6e78fa1b56965f604e9.tar.gz
firewire net: Allocate dev->broadcast_rcv_buffer_ptrs early.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/firewire')
-rw-r--r--drivers/firewire/net.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
index 0dc2fdf00562..21210fb94762 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++)