From: Vinson Lee <vlee@vmware.com>
Date: Wed, 25 Aug 2010 18:22:55 +0000 (-0700)
Subject: nvfx: Set pointer to NULL after free.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=721954c334787bbddd8726348a4c95465f89677b;p=mesa.git

nvfx: Set pointer to NULL after free.

Guard against potential use after free.
---

diff --git a/src/gallium/drivers/nvfx/nvfx_fragprog.c b/src/gallium/drivers/nvfx/nvfx_fragprog.c
index 7f6b3f6599e..275672a31fa 100644
--- a/src/gallium/drivers/nvfx/nvfx_fragprog.c
+++ b/src/gallium/drivers/nvfx/nvfx_fragprog.c
@@ -996,8 +996,10 @@ nvfx_fragprog_prepare(struct nvfx_context* nvfx, struct nvfx_fpc *fpc)
 	return TRUE;
 
 out_err:
-	if (fpc->r_temp)
+	if (fpc->r_temp) {
 		FREE(fpc->r_temp);
+		fpc->r_temp = NULL;
+	}
 	tgsi_parse_free(&p);
 	return FALSE;
 }