forked from M-Labs/zynq-rs
libsupport_zynq/ram: check ptr range for deallocation
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@ -34,7 +34,10 @@ unsafe impl GlobalAlloc for CortexA9Alloc {
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}
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unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout) {
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if cfg!(not(feature = "alloc_core")) || MPIDR.read().cpu_id() == 0 {
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if cfg!(not(feature = "alloc_core"))
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|| ((&__heap0_start as *const usize as usize <= ptr as usize)
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&& ((ptr as usize) < &__heap0_end as *const usize as usize))
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{
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&self.0
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} else {
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&self.1
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