diff options
Diffstat (limited to 'drivers/staging/line6/driver.c')
| -rw-r--r-- | drivers/staging/line6/driver.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c index cf01abc..0484ee6 100644 --- a/drivers/staging/line6/driver.c +++ b/drivers/staging/line6/driver.c @@ -301,7 +301,7 @@ char *line6_alloc_sysex_buffer(struct usb_line6 *line6, int code1, int code2, in if(!buffer) { dev_err(line6->ifcdev, "out of memory\n"); - return 0; + return NULL; } buffer[0] = LINE6_SYSEX_BEGIN; @@ -469,7 +469,7 @@ int line6_read_data(struct usb_line6 *line6, int address, void *data, size_t dat /* query the serial number: */ ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - (datalen << 8) | 0x21, address, 0, 0, LINE6_TIMEOUT * HZ); + (datalen << 8) | 0x21, address, NULL, 0, LINE6_TIMEOUT * HZ); if(ret < 0) { dev_err(line6->ifcdev, "read request failed (error %d)\n", ret); @@ -630,8 +630,8 @@ static void line6_list_devices(void) static int line6_probe(struct usb_interface *interface, const struct usb_device_id *id) { int devtype; - struct usb_device *usbdev = 0; - struct usb_line6 *line6 = 0; + struct usb_device *usbdev = NULL; + struct usb_line6 *line6 = NULL; const struct line6_properties *properties; int devnum; int interface_number, alternate = 0; @@ -987,7 +987,7 @@ static void line6_disconnect(struct usb_interface *interface) for(i = LINE6_MAX_DEVICES; i--;) if(line6_devices[i] == line6) - line6_devices[i] = 0; + line6_devices[i] = NULL; } line6_destruct(interface); @@ -1016,13 +1016,13 @@ static int __init line6_init(void) printk("%s driver version %s%s\n", DRIVER_NAME, DRIVER_VERSION, DRIVER_REVISION); line6_workqueue = create_workqueue(DRIVER_NAME); - if(line6_workqueue == 0) { + if (line6_workqueue == NULL) { err("couldn't create workqueue"); return -EINVAL; } for(i = LINE6_MAX_DEVICES; i--;) - line6_devices[i] = 0; + line6_devices[i] = NULL; retval = usb_register(&line6_driver); |