[PATCH 1/3] Drivers: hv: utils: fix hvt_op_poll() return value on transport destroy

[K. Y. Srinivasan]

From: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>

The return type of hvt_op_poll() is unsigned int and -EBADF is
inappropriate, poll functions return POLL* statuses.

Reported-by: Dexuan Cui <decui@xxxxxxxxxxxxx>
Signed-off-by: Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>
Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
---
 drivers/hv/hv_utils_transport.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/hv/hv_utils_transport.c b/drivers/hv/hv_utils_transport.c
index ee20b50..4f42c0e 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;
-- 
1.7.4.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/