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path: root/drivers/hv/hv_fcopy.c
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Diffstat (limited to 'drivers/hv/hv_fcopy.c')
-rw-r--r--drivers/hv/hv_fcopy.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/hv/hv_fcopy.c b/drivers/hv/hv_fcopy.c
index cd453e4..8bdf752 100644
--- a/drivers/hv/hv_fcopy.c
+++ b/drivers/hv/hv_fcopy.c
@@ -98,6 +98,8 @@ static void fcopy_work_func(struct work_struct *dummy)
if (down_trylock(&fcopy_transaction.read_sema))
;
+ hv_poll_channel(fcopy_transaction.fcopy_context,
+ hv_fcopy_onchannelcallback);
}
static int fcopy_handle_handshake(u32 version)
@@ -117,8 +119,8 @@ static int fcopy_handle_handshake(u32 version)
pr_info("FCP: user-mode registering done. Daemon version: %d\n",
version);
fcopy_transaction.active = false;
- if (fcopy_transaction.fcopy_context)
- hv_fcopy_onchannelcallback(fcopy_transaction.fcopy_context);
+ hv_poll_channel(fcopy_transaction.fcopy_context,
+ hv_fcopy_onchannelcallback);
in_hand_shake = false;
return 0;
}
@@ -226,6 +228,7 @@ void hv_fcopy_onchannelcallback(void *context)
fcopy_transaction.fcopy_context = context;
return;
}
+ fcopy_transaction.fcopy_context = NULL;
vmbus_recvpacket(channel, recv_buffer, PAGE_SIZE * 2, &recvlen,
&requestid);
@@ -333,8 +336,11 @@ static ssize_t fcopy_write(struct file *file, const char __user *buf,
* Complete the transaction by forwarding the result
* to the host. But first, cancel the timeout.
*/
- if (cancel_delayed_work_sync(&fcopy_work))
+ if (cancel_delayed_work_sync(&fcopy_work)) {
fcopy_respond_to_host(response);
+ hv_poll_channel(fcopy_transaction.fcopy_context,
+ hv_fcopy_onchannelcallback);
+ }
return sizeof(int);
}
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