tree 9f5885357753f0ff1fa8653caf21bed1f022eb98
parent 359016032239e0a585c01bffe04b72ab037e5de4
author Tomas Hozza <thozza@redhat.com> 1369227271 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1370293989 -0700

tools: hv: Check return value of poll call

Check return value of poll call and if it fails print error
to the system log. If errno is EINVAL then exit with non-zero
value otherwise continue the while loop and call poll again.

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Acked-by:  K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>