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nouveau: don't keep stale pointer to free'd data

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If ->sys is non-null, we might decide that it's where the data is
stored.

Reviewed-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Ilia Mirkin 2014-08-16 02:46:01 -04:00
parent 1f4bc0c95e
commit ef130b6050
1 changed files with 1 additions and 0 deletions
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src/mesa/drivers/dri/nouveau/nouveau_bufferobj.c
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@ -86,6 +86,7 @@ nouveau_bufferobj_data(struct gl_context *ctx, GLenum target, GLsizeiptrARB size
/* Free previous storage */
nouveau_bo_ref(NULL, &nbo->bo);
free(nbo->sys);
nbo->sys = NULL;
if (target == GL_ELEMENT_ARRAY_BUFFER_ARB ||
(size < 512 && usage == GL_DYNAMIC_DRAW_ARB) ||