diff options
Diffstat (limited to 'drivers/staging/hv/NetVsc.c')
| -rw-r--r-- | drivers/staging/hv/NetVsc.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/staging/hv/NetVsc.c b/drivers/staging/hv/NetVsc.c index f84942df3bbf..a48e6376ce21 100644 --- a/drivers/staging/hv/NetVsc.c +++ b/drivers/staging/hv/NetVsc.c @@ -1288,28 +1288,33 @@ static void NetVscOnReceiveCompletion(void *Context) void NetVscOnChannelCallback(void *Context) { - const int netPacketSize = 2048; int ret; struct hv_device *device = Context; struct netvsc_device *netDevice; u32 bytesRecvd; u64 requestId; - unsigned char packet[netPacketSize]; + unsigned char *packet; struct vmpacket_descriptor *desc; - unsigned char *buffer = packet; - int bufferlen = netPacketSize; + unsigned char *buffer; + int bufferlen = NETVSC_PACKET_SIZE; DPRINT_ENTER(NETVSC); ASSERT(device); + packet = kzalloc(NETVSC_PACKET_SIZE * sizeof(unsigned char), + GFP_KERNEL); + if (!packet) + return; + buffer = packet; + netDevice = GetInboundNetDevice(device); if (!netDevice) { DPRINT_ERR(NETVSC, "net device (%p) shutting down..." "ignoring inbound packets", netDevice); DPRINT_EXIT(NETVSC); - return; + goto out; } do { @@ -1341,17 +1346,17 @@ void NetVscOnChannelCallback(void *Context) } /* reset */ - if (bufferlen > netPacketSize) { + if (bufferlen > NETVSC_PACKET_SIZE) { kfree(buffer); buffer = packet; - bufferlen = netPacketSize; + bufferlen = NETVSC_PACKET_SIZE; } } else { /* reset */ - if (bufferlen > netPacketSize) { + if (bufferlen > NETVSC_PACKET_SIZE) { kfree(buffer); buffer = packet; - bufferlen = netPacketSize; + bufferlen = NETVSC_PACKET_SIZE; } break; @@ -1375,5 +1380,7 @@ void NetVscOnChannelCallback(void *Context) PutNetDevice(device); DPRINT_EXIT(NETVSC); +out: + kfree(buffer); return; } |