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displayio: Fix matrixportal crash #3507

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Merged
merged 1 commit into from
Oct 3, 2020
Merged

displayio: Fix matrixportal crash #3507

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2 changes: 1 addition & 1 deletion shared-module/displayio/display_core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -197,7 +197,7 @@ bool displayio_display_core_get_dither(displayio_display_core_t* self){
}

bool displayio_display_core_bus_free(displayio_display_core_t *self) {
return self->bus_free(self->bus);
return !self->bus || self->bus_free(self->bus);
}

bool displayio_display_core_begin_transaction(displayio_display_core_t* self) {
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