This stops the generic poll code from waiting for a timeout.
Signed-off-by: Bryan O'Sullivan <[email protected]>
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c Fri Aug 25 11:19:45 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c Fri Aug 25 11:19:45 2006 -0700
@@ -1150,6 +1150,7 @@ static unsigned int ipath_poll(struct fi
struct ipath_portdata *pd;
u32 head, tail;
int bit;
+ unsigned pollflag = 0;
struct ipath_devdata *dd;
pd = port_fp(fp);
@@ -1186,9 +1187,12 @@ static unsigned int ipath_poll(struct fi
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 @@ static unsigned int ipath_poll(struct fi
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,
-
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