Squashed commit of the following:

[mesa.git] / src / gallium / auxiliary / pipebuffer / pb_bufmgr_ondemand.c

diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_ondemand.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_ondemand.c
index bc3093f620fe5a8ed83ca20d396f100958f97e9a..31f1ebbeb7c7b32bbde50a2aff8193779ba040e3 100644 (file)
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_ondemand.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_ondemand.c
@@ -74,6 +74,8 @@ static INLINE struct pb_ondemand_buffer *
 pb_ondemand_buffer(struct pb_buffer *buf)
 {
    assert(buf);
+   if (!buf)
+      return NULL;
    assert(buf->vtbl == &pb_ondemand_buffer_vtbl);
    return (struct pb_ondemand_buffer *)buf;
 }
@@ -148,7 +150,7 @@ pb_ondemand_buffer_instantiate(struct pb_ondemand_buffer *buf)
       if(!buf->buffer)
          return PIPE_ERROR_OUT_OF_MEMORY;
       
-      map = pb_map(buf->buffer, PIPE_BUFFER_USAGE_CPU_READ);
+      map = pb_map(buf->buffer, PB_USAGE_CPU_READ);
       if(!map) {
          pb_reference(&buf->buffer, NULL);
          return PIPE_ERROR;