diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 0358c05e6e8a..c5753c797735 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1218,6 +1218,11 @@ static int hcd_alloc_coherent(struct usb_bus *bus, { unsigned char *vaddr; + if (*vaddr_handle == NULL) { + WARN_ON_ONCE(1); + return -EFAULT; + } + vaddr = hcd_buffer_alloc(bus, size + sizeof(vaddr), mem_flags, dma_handle); if (!vaddr) |