On Mon, Dec 01, 2014 at 01:35:57PM +0200, Michael S. Tsirkin wrote: > CHECK drivers/char/virtio_console.c > drivers/char/virtio_console.c:687:36: warning: incorrect type in > argument 1 (different address spaces) > drivers/char/virtio_console.c:687:36: expected void [noderef] > <asn:1>*to > drivers/char/virtio_console.c:687:36: got char *out_buf > drivers/char/virtio_console.c:790:35: warning: incorrect type in > argument 2 (different address spaces) > drivers/char/virtio_console.c:790:35: expected char *out_buf > drivers/char/virtio_console.c:790:35: got char [noderef] > <asn:1>*ubuf > > fill_readbuf is reused with both kernel and userspace pointers, > depending on value of to_user flag.
That's horrid, don't do that. Have two different functions for this type of thing, otherwise you defeat the whole purpose of trying to track __user pointers. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
