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nir/validate: fix null deref coverity warning

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CID 1265536 (#1 of 2): Explicit null dereferenced (FORWARD_NULL)6.
var_deref_op: Dereferencing null pointer parent.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Rob Clark 2016-05-18 11:40:34 -04:00
parent 0cbc90c57c
commit 5245d845b6
1 changed files with 1 additions and 0 deletions
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src/compiler/nir/nir_validate.c
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@ -376,6 +376,7 @@ validate_deref_chain(nir_deref *deref, validate_state *state)
break;
case nir_deref_type_struct:
assume(parent); /* cannot happen: deref change starts w/ nir_deref_var */
validate_assert(state, deref->type ==
glsl_get_struct_field(parent->type,
nir_deref_as_struct(deref)->index));