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Commit 9f52a163 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
Browse files

Drivers: hv: vmbus: Fix a bug in vmbus_establish_gpadl() 



Correctly compute the local (gpadl) handle.
I would like to thank Michael Brown <mcb30@ipxe.org> for seeing this bug.

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Reported-by: default avatarMichael Brown <mcb30@ipxe.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4061ed9e

drivers/hv/channel.c

+2 −2
Original line number Diff line number Diff line
@@ -366,8 +366,8 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, 
	unsigned long flags;

	int ret = 0;



	next_gpadl_handle = atomic_read(&vmbus_connection.next_gpadl_handle);

	atomic_inc(&vmbus_connection.next_gpadl_handle);

	next_gpadl_handle =

		(atomic_inc_return(&vmbus_connection.next_gpadl_handle) - 1);



	ret = create_gpadl_header(kbuffer, size, &msginfo, &msgcount);

	if (ret)