From: Vitaly Kuznetsov Date: Wed, 16 Dec 2015 00:27:26 +0000 (-0800) Subject: Drivers: hv: utils: fix hvt_op_poll() return value on transport destroy X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=77b744a598d604de49df79cf161bbd1809a6948a;p=openwrt%2Fstaging%2Fblogic.git Drivers: hv: utils: fix hvt_op_poll() return value on transport destroy The return type of hvt_op_poll() is unsigned int and -EBADF is inappropriate, poll functions return POLL* statuses. Reported-by: Dexuan Cui Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/hv/hv_utils_transport.c b/drivers/hv/hv_utils_transport.c index ee20b5074238..4f42c0e20c20 100644 --- a/drivers/hv/hv_utils_transport.c +++ b/drivers/hv/hv_utils_transport.c @@ -109,7 +109,7 @@ static unsigned int hvt_op_poll(struct file *file, poll_table *wait) poll_wait(file, &hvt->outmsg_q, wait); if (hvt->mode == HVUTIL_TRANSPORT_DESTROY) - return -EBADF; + return POLLERR | POLLHUP; if (hvt->outmsg_len > 0) return POLLIN | POLLRDNORM;