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-rw-r--r--drivers/usb/core/buffer.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c
index 419c994..ad742ce 100644
--- a/drivers/usb/core/buffer.c
+++ b/drivers/usb/core/buffer.c
@@ -55,6 +55,9 @@ int hcd_buffer_create (struct usb_hcd *hcd)
char name [16];
int i, size;
+ if (!hcd->self.controller->dma_mask)
+ return 0;
+
for (i = 0; i < HCD_BUFFER_POOLS; i++) {
if (!(size = pool_max [i]))
continue;