On 22/01/18 15:44, Emil Velikov wrote:
On 22 January 2018 at 15:13, Jose Fonseca <jfons...@vmware.com> wrote:
Courtesy of clang static analyzer.

I was hunting for potential sources of memory corruption using Mesa with
a GL trace, and happened to find this (unrelated) issue.
---
  src/gallium/drivers/svga/svga_context.c | 1 +
  1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/svga/svga_context.c 
b/src/gallium/drivers/svga/svga_context.c
index 546b9f48b1..af16a99b72 100644
--- a/src/gallium/drivers/svga/svga_context.c
+++ b/src/gallium/drivers/svga/svga_context.c
@@ -327,6 +327,7 @@ cleanup:
     util_bitmask_destroy(svga->stream_output_id_bm);
     util_bitmask_destroy(svga->query_id_bm);
     FREE(svga);
+   svga = NULL;

  done:
     SVGA_STATS_TIME_POP(svgascreen->sws);

Seems like the most important line is just outside of context. Namely:

return svga ? &svga->pipe:NULL;

yep.

Cc: mesa-sta...@lists.freedesktop.org
Reviewed-by: Emil Velikov <emil.l.veli...@gmail.com>

thanks.

Jose
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