vhost-user: use guest buffer directly in vu_handle_tx()

Check the buffer address is correctly in the mmap'ed memory.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/packet.h b/packet.h
index 8377dcf..0aec6d9 100644
--- a/packet.h
+++ b/packet.h
@@ -22,6 +22,8 @@ struct pool {
 	struct iovec pkt[1];
 };
 
+int vu_packet_check_range(void *buf, size_t offset, size_t len,
+			  const char *start, const char *func, int line);
 void packet_add_do(struct pool *p, size_t len, const char *start,
 		   const char *func, int line);
 void *packet_get_do(const struct pool *p, const size_t idx,