linux-kernel - [PATCH] usb: host: remove unnecessary null check

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Date:   Tue, 2 May 2017 11:09:11 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] usb: host: remove unnecessary null check

Remove unnecessary null check. udev->tt cannot ever be NULL when this
section of code runs.

Addresses-Coverity-ID: 100828
Cc: Alan Stern <stern@...land.harvard.edu>
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/usb/host/ehci-sched.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 980a6b3..6bc6304 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1105,7 +1105,7 @@ iso_stream_init(
 		addr |= epnum << 8;
 		addr |= dev->devnum;
 		stream->ps.usecs = HS_USECS_ISO(maxp);
-		think_time = dev->tt ? dev->tt->think_time : 0;
+		think_time = dev->tt->think_time;
 		stream->ps.tt_usecs = NS_TO_US(think_time + usb_calc_bus_time(
 				dev->speed, is_input, 1, maxp));
 		hs_transfers = max(1u, (maxp + 187) / 188);
-- 
2.5.0