Commit 36146921 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'hyperv-fixes-signed' of git://

Pull Hyper-V fixes from Sasha Levin:

 - Fix for panics and network failures on PAE guests by Dexuan Cui.

 - Fix of a memory leak (and related cleanups) in the hyper-v keyboard
   driver by Dexuan Cui.

 - Code cleanups for hyper-v clocksource driver during the merge window
   by Dexuan Cui.

 - Fix for a false positive warning in the userspace hyper-v KVP store
   by Vitaly Kuznetsov.

* tag 'hyperv-fixes-signed' of git://
  Drivers: hv: vmbus: Fix virt_to_hvpfn() for X86_PAE
  Tools: hv: kvp: eliminate 'may be used uninitialized' warning
  Input: hyperv-keyboard: Use in-place iterator API in the channel callback
  Drivers: hv: vmbus: Remove the unused "tsc_page" from struct hv_context
parents 0a022ecc a9fc4340
......@@ -26,7 +26,7 @@
static unsigned long virt_to_hvpfn(void *addr)
unsigned long paddr;
phys_addr_t paddr;
if (is_vmalloc_addr(addr))
paddr = page_to_phys(vmalloc_to_page(addr)) +
......@@ -146,8 +146,6 @@ struct hv_context {
u64 guestid;
void *tsc_page;
struct hv_per_cpu_context __percpu *cpu_context;
......@@ -237,40 +237,17 @@ static void hv_kbd_handle_received_packet(struct hv_device *hv_dev,
static void hv_kbd_on_channel_callback(void *context)
struct vmpacket_descriptor *desc;
struct hv_device *hv_dev = context;
void *buffer;
int bufferlen = 0x100; /* Start with sensible size */
u32 bytes_recvd;
u64 req_id;
int error;
buffer = kmalloc(bufferlen, GFP_ATOMIC);
if (!buffer)
while (1) {
error = vmbus_recvpacket_raw(hv_dev->channel, buffer, bufferlen,
&bytes_recvd, &req_id);
switch (error) {
case 0:
if (bytes_recvd == 0) {
hv_kbd_handle_received_packet(hv_dev, buffer,
bytes_recvd, req_id);
foreach_vmbus_pkt(desc, hv_dev->channel) {
bytes_recvd = desc->len8 * 8;
req_id = desc->trans_id;
case -ENOBUFS:
/* Handle large packet */
bufferlen = bytes_recvd;
buffer = kmalloc(bytes_recvd, GFP_ATOMIC);
if (!buffer)
hv_kbd_handle_received_packet(hv_dev, desc, bytes_recvd,
......@@ -809,7 +809,7 @@ kvp_get_ip_info(int family, char *if_name, int op,
int sn_offset = 0;
int error = 0;
char *buffer;
struct hv_kvp_ipaddr_value *ip_buffer;
struct hv_kvp_ipaddr_value *ip_buffer = NULL;
char cidr_mask[5]; /* /xyz */
int weight;
int i;
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