linux-kernel - [PATCH] Bluetooth: hci_qca: remove redundant null check

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200903082719.85027-1-vulab@iscas.ac.cn>
Date:   Thu,  3 Sep 2020 08:27:19 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     marcel@...tmann.org, johan.hedberg@...il.com
Cc:     linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] Bluetooth: hci_qca: remove redundant null check

Because clk_disable_unprepare already checked
NULL clock parameter, so the additional check is
unnecessary, just remove it.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 drivers/bluetooth/hci_qca.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 20e1dedbc58c..6577356d849b 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -2007,8 +2007,7 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 		err = hci_uart_register_device(&qcadev->serdev_hu, &qca_proto);
 		if (err) {
 			BT_ERR("Rome serdev registration failed");
-			if (qcadev->susclk)
-				clk_disable_unprepare(qcadev->susclk);
+			clk_disable_unprepare(qcadev->susclk);
 			return err;
 		}
 	}
-- 
2.17.1