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st/mesa: fix use of uninitialized memory due to st_nir_lower_builtin

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reported by valgrind

Cc: 19.3 20.0 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4274>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4274>
This commit is contained in:
Marek Olšák
2020-03-21 17:54:36 -04:00
committed by Marge Bot
parent 17c7f4e30e
commit 719063d4d0
1 changed files with 1 additions and 1 deletions
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src/mesa/state_tracker/st_nir_lower_builtin.c
+1 -1
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@@ -138,7 +138,7 @@ get_variable(lower_builtin_state *state, nir_deref_path *path,
nir_variable_create(shader, nir_var_uniform, glsl_vec4_type(), name);
var->num_state_slots = 1;
var->state_slots = ralloc_array(var, nir_state_slot, 1);
var->state_slots = rzalloc_array(var, nir_state_slot, 1);
memcpy(var->state_slots[0].tokens, tokens,
sizeof(var->state_slots[0].tokens));