From: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Date: Sat, 5 May 2012 11:28:19 +0000 (+0200)
Subject: nouveau: fix nouveau_scratch_runout_release bo count underflow
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9dfac63ae0a8759e05dbde20c2cea05afc121def;p=mesa.git

nouveau: fix nouveau_scratch_runout_release bo count underflow
---

diff --git a/src/gallium/drivers/nouveau/nouveau_buffer.c b/src/gallium/drivers/nouveau/nouveau_buffer.c
index 369492de317..f6629901c15 100644
--- a/src/gallium/drivers/nouveau/nouveau_buffer.c
+++ b/src/gallium/drivers/nouveau/nouveau_buffer.c
@@ -524,8 +524,10 @@ nouveau_scratch_runout_release(struct nouveau_context *nv)
 {
    if (!nv->scratch.nr_runout)
       return;
-   while (nv->scratch.nr_runout--)
+   do {
+      --nv->scratch.nr_runout;
       nouveau_bo_ref(NULL, &nv->scratch.runout[nv->scratch.nr_runout]);
+   } while (nv->scratch.nr_runout);
 
    FREE(nv->scratch.runout);
    nv->scratch.end = 0;