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USB: cdc-acm: use negation for NULL checks

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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>
This commit is contained in:
Johan Hovold 2021-03-22 16:53:16 +01:00 committed by Greg Kroah-Hartman
parent 4cde059acd
commit f8255ee192
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/class/cdc-acm.c
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@ -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))