switch (cmd) {
case LPGETSTATUS:
- if ((retval = usblp_read_status(usblp, usblp->statusbuf))) {
+ retval = usblp_read_status(usblp, usblp->statusbuf);
+ if (retval) {
printk_ratelimited(KERN_ERR "usblp%d:"
"failed reading printer status (%d)\n",
usblp->minor, retval);
struct urb *urb;
char *writebuf;
- if ((writebuf = kmalloc(transfer_length, GFP_KERNEL)) == NULL)
+ writebuf = kmalloc(transfer_length, GFP_KERNEL);
+ if (writebuf == NULL)
return NULL;
- if ((urb = usb_alloc_urb(0, GFP_KERNEL)) == NULL) {
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (urb == NULL) {
kfree(writebuf);
return NULL;
}
transfer_length = USBLP_BUF_SIZE;
rv = -ENOMEM;
- if ((writeurb = usblp_new_writeurb(usblp, transfer_length)) == NULL)
+ writeurb = usblp_new_writeurb(usblp, transfer_length);
+ if (writeurb == NULL)
goto raise_urb;
usb_anchor_urb(writeurb, &usblp->urbs);
int rc;
rc = -ENOMEM;
- if ((urb = usb_alloc_urb(0, GFP_KERNEL)) == NULL)
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (urb == NULL)
goto raise_urb;
usb_fill_bulk_urb(urb, usblp->dev,