When running out of PTEs panic with an appropriate message instead of
continuing with NULL pointers.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
arch/arm/cpu/mmu_64.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/cpu/mmu_64.c b/arch/arm/cpu/mmu_64.c
index d62527809e..12c4dc90b3 100644
--- a/arch/arm/cpu/mmu_64.c
+++ b/arch/arm/cpu/mmu_64.c
@@ -99,6 +99,9 @@ static void split_block(uint64_t *pte, int level)
levelshift = level2shift(level + 1);
new_table = alloc_pte();
+ if (!new_table)
+ panic("Unable to allocate PTE\n");
+
for (i = 0; i < MAX_PTE_ENTRIES; i++) {
new_table[i] = old_pte | (i << levelshift);
--
2.39.2
