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[linux-2.6.git] / drivers / usb / misc / usbtest.c

diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 8ee1b05..404f397 100644 (file)
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -121,8 +121,8 @@ get_endpoints (struct usbtest_dev *dev, struct usb_interface *intf)
        for (tmp = 0; tmp < intf->num_altsetting; tmp++) {
                unsigned        ep;
 
-               in = out = NULL;
-               iso_in = iso_out = NULL;
+               in = out = 0;
+               iso_in = iso_out = 0;
                alt = intf->altsetting + tmp;
 
                /* take the first altsetting with in-bulk + out-bulk;
@@ -216,11 +216,11 @@ static struct urb *simple_alloc_urb (
        struct urb              *urb;
 
        if (bytes < 0)
-               return NULL;
+               return 0;
        urb = usb_alloc_urb (0, SLAB_KERNEL);
        if (!urb)
                return urb;
-       usb_fill_bulk_urb (urb, udev, pipe, NULL, bytes, simple_callback, NULL);
+       usb_fill_bulk_urb (urb, udev, pipe, 0, bytes, simple_callback, 0);
        urb->interval = (udev->speed == USB_SPEED_HIGH)
                        ? (INTERRUPT_RATE << 3)
                        : INTERRUPT_RATE;
@@ -231,7 +231,7 @@ static struct urb *simple_alloc_urb (
                        &urb->transfer_dma);
        if (!urb->transfer_buffer) {
                usb_free_urb (urb);
-               urb = NULL;
+               urb = 0;
        } else
                memset (urb->transfer_buffer, 0, bytes);
        return urb;
@@ -380,7 +380,7 @@ alloc_sglist (int nents, int max, int vary)
 
        sg = kmalloc (nents * sizeof *sg, SLAB_KERNEL);
        if (!sg)
-               return NULL;
+               return 0;
        memset (sg, 0, nents * sizeof *sg);
 
        for (i = 0; i < nents; i++) {
@@ -389,7 +389,7 @@ alloc_sglist (int nents, int max, int vary)
                buf = kmalloc (size, SLAB_KERNEL);
                if (!buf) {
                        free_sglist (sg, i);
-                       return NULL;
+                       return 0;
                }
                memset (buf, 0, size);
 
@@ -637,7 +637,7 @@ static int ch9_postconfig (struct usbtest_dev *dev)
 
        /* and sometimes [9.2.6.6] speed dependent descriptors */
        if (udev->descriptor.bcdUSB == 0x0200) {        /* pre-swapped */
-               struct usb_qualifier_descriptor         *d = NULL;
+               struct usb_qualifier_descriptor         *d = 0;
 
                /* device qualifier [9.6.2] */
                retval = usb_get_descriptor (udev,
@@ -817,11 +817,11 @@ error:
                if ((status = usb_submit_urb (urb, SLAB_ATOMIC)) != 0) {
                        dbg ("can't resubmit ctrl %02x.%02x, err %d",
                                reqp->bRequestType, reqp->bRequest, status);
-                       urb->dev = NULL;
+                       urb->dev = 0;
                } else
                        ctx->pending++;
        } else
-               urb->dev = NULL;
+               urb->dev = 0;
        
        /* signal completion when nothing's queued */
        if (ctx->pending == 0)
@@ -1368,7 +1368,7 @@ static struct urb *iso_alloc_urb (
        unsigned                i, maxp, packets;
 
        if (bytes < 0 || !desc)
-               return NULL;
+               return 0;
        maxp = 0x7ff & desc->wMaxPacketSize;
        maxp *= 1 + (0x3 & (desc->wMaxPacketSize >> 11));
        packets = (bytes + maxp - 1) / maxp;
@@ -1385,7 +1385,7 @@ static struct urb *iso_alloc_urb (
                        &urb->transfer_dma);
        if (!urb->transfer_buffer) {
                usb_free_urb (urb);
-               return NULL;
+               return 0;
        }
        memset (urb->transfer_buffer, 0, bytes);
        for (i = 0; i < packets; i++) {