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core: prevent crash in tee_mmu_final() on TA loading error #2092

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core: prevent crash in tee_mmu_final() on TA loading error #2092

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3 changes: 3 additions & 0 deletions core/arch/arm/mm/tee_mmu.c
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Original file line number Diff line number Diff line change
Expand Up @@ -676,6 +676,9 @@ void tee_mmu_rem_rwmem(struct user_ta_ctx *utc, struct mobj *mobj, vaddr_t va)
*/
void tee_mmu_final(struct user_ta_ctx *utc)
{
if (!utc->mmu)
return;

/* clear MMU entries to avoid clash when asid is reused */
tlbi_asid(utc->mmu->asid);

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