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Message-Id: <1604633478-24729-1-git-send-email-wangqing@vivo.com>
Date: Fri, 6 Nov 2020 11:31:18 +0800
From: Wang Qing <wangqing@...o.com>
To: Felipe Balbi <balbi@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Wang Qing <wangqing@...o.com>
Subject: [PATCH] usb: Use IS_ERR_OR_NULL() instead of IS_ERR()
__usb_find_phy may return NULL, so we should use IS_ERR_OR_NULL()
Signed-off-by: Wang Qing <wangqing@...o.com>
---
drivers/usb/phy/phy.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index de21967..60c5ea4 100755
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -460,7 +460,7 @@ struct usb_phy *usb_get_phy(enum usb_phy_type type)
spin_lock_irqsave(&phy_lock, flags);
phy = __usb_find_phy(&phy_list, type);
- if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {
+ if (IS_ERR_OR_NULL(phy) || !try_module_get(phy->dev->driver->owner)) {
pr_debug("PHY: unable to find transceiver of type %s\n",
usb_phy_type_string(type));
if (!IS_ERR(phy))
--
2.7.4
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