Mesa (master): nir/serialize: handle var->name being NULL

[Alejandro Pinheiro]

Module: Mesa
Branch: master
Commit: e72fb4e61128684efc28647931a793910e190656
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=e72fb4e61128684efc28647931a793910e190656

Author: Alejandro Piñeiro <apinheiro at igalia.com>
Date:   Wed Feb 28 13:01:56 2018 +0100

nir/serialize: handle var->name being NULL

var->name could be NULL under ARB_gl_spirv for example. And in any
case, the code is already handing var name being NULL when reading a
variable, so it is consistent to do it writing a variable too.

Reviewed-by: Timothy Arceri <tarceri at itsqueeze.com>

---

 src/compiler/nir/nir_serialize.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_serialize.c b/src/compiler/nir/nir_serialize.c
index 9fe46a675f..00df49c2ef 100644
--- a/src/compiler/nir/nir_serialize.c
+++ b/src/compiler/nir/nir_serialize.c
@@ -137,7 +137,8 @@ write_variable(write_ctx *ctx, const nir_variable *var)
    write_add_object(ctx, var);
    encode_type_to_blob(ctx->blob, var->type);
    blob_write_uint32(ctx->blob, !!(var->name));
-   blob_write_string(ctx->blob, var->name);
+   if (var->name)
+      blob_write_string(ctx->blob, var->name);
    blob_write_bytes(ctx->blob, (uint8_t *) &var->data, sizeof(var->data));
    blob_write_uint32(ctx->blob, var->num_state_slots);
    blob_write_bytes(ctx->blob, (uint8_t *) var->state_slots,