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softpipe: added null ptr check for align_free() call in vbuf code

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Fixes GALLIUM_NOCELL path.  See bug 20475.
This commit is contained in:
Brian Paul 2009-03-05 09:49:00 -07:00
parent df8755edbe
commit 6db24f449d
1 changed files with 2 additions and 1 deletions
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3
src/gallium/drivers/softpipe/sp_prim_vbuf.c
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@ -90,7 +90,8 @@ sp_vbuf_allocate_vertices(struct vbuf_render *vbr,
unsigned size = vertex_size * nr_vertices;
if (cvbr->vertex_buffer_size < size) {
align_free(cvbr->vertex_buffer);
if (cvbr->vertex_buffer)
align_free(cvbr->vertex_buffer);
cvbr->vertex_buffer = align_malloc(size, 16);
cvbr->vertex_buffer_size = size;
}