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-rw-r--r--drivers/usb/core/devio.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 24d4a801ca64..63f23f567680 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1664,7 +1664,8 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
if (as->usbm)
num_sgs = 0;
- u += sizeof(struct async) + sizeof(struct urb) + uurb->buffer_length +
+ u += sizeof(struct async) + sizeof(struct urb) +
+ (as->usbm ? 0 : uurb->buffer_length) +
num_sgs * sizeof(struct scatterlist);
ret = usbfs_increase_memory_usage(u);
if (ret)