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authorVitaly Kuznetsov <vkuznets@redhat.com>2015-12-16 03:27:26 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-22 00:14:56 +0300
commit77b744a598d604de49df79cf161bbd1809a6948a (patch)
tree56c7bbb9b1c4bfe47218d7267f3b048ee3d374e9 /drivers/hv
parent2048157ad02e65f6327118dd4a7b9c9f1fd12f77 (diff)
downloadlinux-77b744a598d604de49df79cf161bbd1809a6948a.tar.xz
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 <decui@microsoft.com> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/hv_utils_transport.c2
1 files changed, 1 insertions, 1 deletions
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;