3 files changed, 7 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
index 95eb5f6563..d97f749b6e 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_buffer_fenced.c
@@ -696,7 +696,7 @@ fenced_buffer_map(struct pb_buffer *buf,
        * Don't wait for the GPU to finish accessing it, if blocking is forbidden.
        */
       if((flags & PIPE_BUFFER_USAGE_DONTBLOCK) &&
-          ops->fence_signalled(ops, fenced_buf->fence, 0) == 0) {
+          ops->fence_signalled(ops, fenced_buf->fence, 0) != 0) {
          goto done;
       }
 
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
index 53bc019a20..86f9266c95 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_cache.c
@@ -294,7 +294,7 @@ pb_cache_manager_create_buffer(struct pb_manager *_mgr,
       LIST_DEL(&buf->head);
       pipe_mutex_unlock(mgr->mutex);
       /* Increase refcount */
-      pipe_reference(NULL, &buf->base.base.reference);
+      pipe_reference_init(&buf->base.base.reference, 1);
       return &buf->base;
    }
    
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c
index c445cb578b..24e2820f88 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c
+++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_slab.c
@@ -483,11 +483,15 @@ pb_slab_range_manager_create_buffer(struct pb_manager *_mgr,
 {
    struct pb_slab_range_manager *mgr = pb_slab_range_manager(_mgr);
    pb_size bufSize;
+   pb_size reqSize = size;
    unsigned i;
 
+   if(desc->alignment > reqSize)
+	   reqSize = desc->alignment;
+
    bufSize = mgr->minBufSize;
    for (i = 0; i < mgr->numBuckets; ++i) {
-      if(bufSize >= size)
+      if(bufSize >= reqSize)
 	 return mgr->buckets[i]->create_buffer(mgr->buckets[i], size, desc);
       bufSize *= 2;
    }