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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>
This commit is contained in:
Vitaly Kuznetsov 2015-12-15 16:27:26 -08:00 committed by Greg Kroah-Hartman
parent 2048157ad0
commit 77b744a598
1 changed files with 1 additions and 1 deletions
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2
drivers/hv/hv_utils_transport.c
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@ -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;