tgsi: avoid returning pointer to local var, make it static

Spotted by Coverity.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index a8fc0089f5ab0c084e88c4068e2954af4fed31da..8d08059deca4ce37a4e643cff2675228f47632a1 100644 (file)
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -1515,7 +1515,7 @@ store_dest_dstret(struct tgsi_exec_machine *mach,
                  enum tgsi_exec_datatype dst_datatype)
 {
    uint i;
-   union tgsi_exec_channel null;
+   static union tgsi_exec_channel null;
    union tgsi_exec_channel *dst;
    union tgsi_exec_channel index2D;
    uint execmask = mach->ExecMask;