diff options
| -rw-r--r-- | drivers/usb/gadget/inode.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index 34296e79edc..188c74a9521 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -553,6 +553,7 @@ static ssize_t ep_aio_read_retry(struct kiocb *iocb) { struct kiocb_priv *priv = iocb->private; ssize_t len, total; + void *to_copy; int i; /* we "retry" to get the right mm context for this: */ @@ -560,10 +561,11 @@ static ssize_t ep_aio_read_retry(struct kiocb *iocb) /* copy stuff into user buffers */ total = priv->actual; len = 0; + to_copy = priv->buf; for (i=0; i < priv->nr_segs; i++) { ssize_t this = min((ssize_t)(priv->iv[i].iov_len), total); - if (copy_to_user(priv->iv[i].iov_base, priv->buf, this)) { + if (copy_to_user(priv->iv[i].iov_base, to_copy, this)) { if (len == 0) len = -EFAULT; break; @@ -571,6 +573,7 @@ static ssize_t ep_aio_read_retry(struct kiocb *iocb) total -= this; len += this; + to_copy += this; if (total == 0) break; } |