From: Johan Hovold <johan@kernel.org>
Date: Mon, 22 Mar 2021 15:53:16 +0000 (+0100)
Subject: USB: cdc-acm: use negation for NULL checks
X-Git-Tag: v5.12-rc6~12^2~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f8255ee192e92fdb885a9ff6bc90d74f5bfb7cd6;p=thirdparty%2Fkernel%2Flinux.git

USB: cdc-acm: use negation for NULL checks

Use negation consistently throughout the driver for NULL checks.

Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210322155318.9837-7-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 4844f50e54de2..1f0fcabef5d2e 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1336,7 +1336,7 @@ made_compressed_probe:
 	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);
@@ -1429,7 +1429,7 @@ made_compressed_probe:
 		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))