diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hv/hv_balloon.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 6fb4ea5f0304..4b06f076374a 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -494,7 +494,7 @@ enum hv_dm_state { static __u8 recv_buffer[PAGE_SIZE]; -static __u8 *send_buffer; +static __u8 balloon_up_send_buffer[PAGE_SIZE]; #define PAGES_IN_2M 512 #define HA_CHUNK (32 * 1024) @@ -1292,8 +1292,8 @@ static void balloon_up(struct work_struct *dummy) } while (!done) { - bl_resp = (struct dm_balloon_response *)send_buffer; - memset(send_buffer, 0, PAGE_SIZE); + memset(balloon_up_send_buffer, 0, PAGE_SIZE); + bl_resp = (struct dm_balloon_response *)balloon_up_send_buffer; bl_resp->hdr.type = DM_BALLOON_RESPONSE; bl_resp->hdr.size = sizeof(struct dm_balloon_response); bl_resp->more_pages = 1; @@ -1578,19 +1578,11 @@ static int balloon_probe(struct hv_device *dev, do_hot_add = false; #endif - /* - * First allocate a send buffer. - */ - - send_buffer = kmalloc(PAGE_SIZE, GFP_KERNEL); - if (!send_buffer) - return -ENOMEM; - ret = vmbus_open(dev->channel, dm_ring_size, dm_ring_size, NULL, 0, balloon_onchannelcallback, dev); if (ret) - goto probe_error0; + return ret; dm_device.dev = dev; dm_device.state = DM_INITIALIZING; @@ -1716,8 +1708,6 @@ probe_error2: probe_error1: vmbus_close(dev->channel); -probe_error0: - kfree(send_buffer); return ret; } @@ -1736,7 +1726,6 @@ static int balloon_remove(struct hv_device *dev) vmbus_close(dev->channel); kthread_stop(dm->thread); - kfree(send_buffer); #ifdef CONFIG_MEMORY_HOTPLUG restore_online_page_callback(&hv_online_page); unregister_memory_notifier(&hv_memory_nb); |