drivers/usb/misc/iowarrior.c: NULL dereference

The Coverity checker spotted the following NULL dereference:

<--  snip  -->

...
static ssize_t iowarrior_write(struct file *file,
                               const char __user *user_buffer,
                               size_t count, loff_t *ppos)
{
...
                if (!int_out_urb) {
                        retval = -ENOMEM;
                        dbg("%s Unable to allocate urb ", __func__);
                        goto error;
...
error:
        usb_buffer_free(dev->udev, dev->report_size, buf,
                        int_out_urb->transfer_dma);
...                     ^^^^^^^^^^^^^^^^^^^^^^^^^

<--  snip  -->

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed


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