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Avoid null pointer derefrence in grib_expression_free().

This commit is contained in:
Shinji Suzuki 2020-08-02 14:30:32 +09:00
parent 502fee4bba
commit a0e14505ec
1 changed files with 8 additions and 6 deletions
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2
src/grib_expression.c
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@ -89,6 +89,7 @@ void grib_expression_print(grib_context* ctx, grib_expression* g, grib_handle* f
void grib_expression_free(grib_context* ctx, grib_expression* g)
{
if (g) {
grib_expression_class* c = g->cclass;
while (c) {
if (c->destroy)
@ -97,6 +98,7 @@ void grib_expression_free(grib_context* ctx, grib_expression* g)
}
grib_context_free_persistent(ctx, g);
}
}
void grib_expression_add_dependency(grib_expression* e, grib_accessor* observer)
{