IB/ipath: fix return value from ipath_poll
This stops the generic poll code from waiting for a timeout.
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 6ba9a2d..29930e2 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -1150,6 +1150,7 @@
struct ipath_portdata *pd;
u32 head, tail;
int bit;
+ unsigned pollflag = 0;
struct ipath_devdata *dd;
pd = port_fp(fp);
@@ -1186,9 +1187,12 @@
clear_bit(IPATH_PORT_WAITING_RCV, &pd->port_flag);
pd->port_rcvwait_to++;
}
+ else
+ pollflag = POLLIN | POLLRDNORM;
}
else {
/* it's already happened; don't do wait_event overhead */
+ pollflag = POLLIN | POLLRDNORM;
pd->port_rcvnowait++;
}
@@ -1196,7 +1200,7 @@
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
- return 0;
+ return pollflag;
}
static int try_alloc_port(struct ipath_devdata *dd, int port,