diff options
Diffstat (limited to 'drivers/usb/misc/auerswald.c')
-rw-r--r-- | drivers/usb/misc/auerswald.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c index e4971d6..b5332e6 100644 --- a/drivers/usb/misc/auerswald.c +++ b/drivers/usb/misc/auerswald.c @@ -704,9 +704,7 @@ static void auerbuf_free (pauerbuf_t bp) { kfree(bp->bufp); kfree(bp->dr); - if (bp->urbp) { - usb_free_urb(bp->urbp); - } + usb_free_urb(bp->urbp); kfree(bp); } @@ -768,7 +766,7 @@ static int auerbuf_setup (pauerbufctl_t bcp, unsigned int numElements, unsigned bep->bufp = kmalloc (bufsize, GFP_KERNEL); if (!bep->bufp) goto bl_fail; - bep->dr = (struct usb_ctrlrequest *) kmalloc (sizeof (struct usb_ctrlrequest), GFP_KERNEL); + bep->dr = kmalloc(sizeof (struct usb_ctrlrequest), GFP_KERNEL); if (!bep->dr) goto bl_fail; bep->urbp = usb_alloc_urb (0, GFP_KERNEL); @@ -1155,8 +1153,7 @@ static void auerswald_int_release (pauerswald_t cp) dbg ("auerswald_int_release"); /* stop the int endpoint */ - if (cp->inturbp) - usb_kill_urb (cp->inturbp); + usb_kill_urb (cp->inturbp); /* deallocate memory */ auerswald_int_free (cp); @@ -1379,7 +1376,7 @@ static int auerchar_open (struct inode *inode, struct file *file) } /* we have access to the device. Now lets allocate memory */ - ccp = (pauerchar_t) kmalloc(sizeof(auerchar_t), GFP_KERNEL); + ccp = kzalloc(sizeof(auerchar_t), GFP_KERNEL); if (ccp == NULL) { err ("out of memory"); ret = -ENOMEM; @@ -1387,7 +1384,6 @@ static int auerchar_open (struct inode *inode, struct file *file) } /* Initialize device descriptor */ - memset( ccp, 0, sizeof(auerchar_t)); init_MUTEX( &ccp->mutex); init_MUTEX( &ccp->readmutex); auerbuf_init (&ccp->bufctl); @@ -1915,14 +1911,13 @@ static int auerswald_probe (struct usb_interface *intf, return -ENODEV; /* allocate memory for our device and initialize it */ - cp = kmalloc (sizeof(auerswald_t), GFP_KERNEL); + cp = kzalloc (sizeof(auerswald_t), GFP_KERNEL); if (cp == NULL) { err ("out of memory"); goto pfail; } /* Initialize device descriptor */ - memset (cp, 0, sizeof(auerswald_t)); init_MUTEX (&cp->mutex); cp->usbdev = usbdev; auerchain_init (&cp->controlchain); @@ -1972,7 +1967,7 @@ static int auerswald_probe (struct usb_interface *intf, info("device is a %s", cp->dev_desc); /* get the maximum allowed control transfer length */ - pbuf = (__le16 *) kmalloc (2, GFP_KERNEL); /* use an allocated buffer because of urb target */ + pbuf = kmalloc(2, GFP_KERNEL); /* use an allocated buffer because of urb target */ if (!pbuf) { err( "out of memory"); goto pfail; |