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

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Use negation consistently throughout the driver for NULL checks.

Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
 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




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