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authorVitaly Kuznetsov <vkuznets@redhat.com>2015-12-15 16:27:26 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-12-21 13:14:56 -0800
commit77b744a598d604de49df79cf161bbd1809a6948a (patch)
tree56c7bbb9b1c4bfe47218d7267f3b048ee3d374e9 /drivers/hv/hv_utils_transport.c
parent2048157ad02e65f6327118dd4a7b9c9f1fd12f77 (diff)
downloadop-kernel-dev-77b744a598d604de49df79cf161bbd1809a6948a.zip
op-kernel-dev-77b744a598d604de49df79cf161bbd1809a6948a.tar.gz
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/hv_utils_transport.c')
-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 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;
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