[PATCH 6/7] USB: cdc-acm: use negation for NULL checks

From: Johan Hovold <johan@kernel.org>
To: Oliver Neukum <oneukum@suse.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	Johan Hovold <johan@kernel.org>
Subject: [PATCH 6/7] USB: cdc-acm: use negation for NULL checks
Date: Thu, 18 Mar 2021 16:52:01 +0100	[thread overview]
Message-ID: <20210318155202.22230-7-johan@kernel.org> (raw)
In-Reply-To: <20210318155202.22230-1-johan@kernel.org>

Use negation consistently throughout the driver for NULL checks.

Signed-off-by: Johan Hovold <johan@kernel.org>
---
 drivers/usb/class/cdc-acm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index e3c45f5880fc..6991ffd66c5d 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1323,7 +1323,7 @@ static int acm_probe(struct usb_interface *intf,
 	dev_dbg(&intf->dev, "interfaces are valid\n");
 
 	acm = kzalloc(sizeof(struct acm), GFP_KERNEL);
-	if (acm == NULL)
+	if (!acm)
 		return -ENOMEM;
 
 	tty_port_init(&acm->port);
@@ -1416,7 +1416,7 @@ static int acm_probe(struct usb_interface *intf,
 		struct acm_wb *snd = &(acm->wb[i]);
 
 		snd->urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (snd->urb == NULL)
+		if (!snd->urb)
 			goto err_free_write_urbs;
 
 		if (usb_endpoint_xfer_int(epwrite))
-- 
2.26.2

