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[zion] Check if scheduler exists in PF handler before trying to resolve

This commit is contained in:
Drew Galbraith 2023-08-01 23:10:20 -07:00
parent 35b1844862
commit 259c64ef2a
1 changed files with 2 additions and 1 deletions
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3
zion/interrupt/interrupt.cpp
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@ -95,7 +95,8 @@ extern "C" void interrupt_page_fault(InterruptFrame* frame) {
uint64_t err = frame->error_code; uint64_t err = frame->error_code;
if ((err & 0x1) == 0) { if ((err & 0x1) == 0) {
// Page not present error may be resolveable. // Page not present error may be resolveable.
if (gScheduler->CurrentProcess().vmas()->HandlePageFault(frame->cr2)) { if (gScheduler &&
gScheduler->CurrentProcess().vmas()->HandlePageFault(frame->cr2)) {
return; return;
} }
} }