tree 22a2f69e787093eeb456fb439cef9f6dc1f28cf0
parent cf0f237ef793e5f8243177bec0681230f9225a47
author K. Y. Srinivasan <kys@microsoft.com> 1409181931 -0700
committer chrmhoffmann <chrmhoffmann@gmail.com> 1586074848 +0200

Drivers: hv: vmbus: Cleanup vmbus_post_msg()

commit fdeebcc62279119dbeafbc1a2e39e773839025fd upstream.

Posting messages to the host can fail because of transient resource
related failures. Correctly deal with these failures and increase the
number of attempts to post the message before giving up.

In this version of the patch, I have normalized the error code to
Linux error code.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Tested-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Zefan Li <lizefan@huawei.com>