nvfx: Set pointer to NULL after free.

Guard against potential use after free.

nvfx: Set pointer to NULL after free.
Guard against potential use after free.
721954c3 · Vinson Lee · dc275157 · 721954c3
Commit 721954c3 authored Aug 25, 2010 by Vinson Lee
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Showing with 3 additions and 1 deletion

src/gallium/drivers/nvfx/nvfx_fragprog.c src/gallium/drivers/nvfx/nvfx_fragprog.c +3 -1

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--- 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;
 }