tree b5d65509e4ba9f851fc0402fabb68b1363023d69
parent 5c2892698184bf82e1f7d5c557ad81c9570b569a
author Tomas Hozza <thozza@redhat.com> 1372333969 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1374882041 -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>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>