diff options
Diffstat (limited to 'arch/sparc/kernel/signal32.c')
| -rw-r--r-- | arch/sparc/kernel/signal32.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c index a237810aa9f4..2a734ecd0a40 100644 --- a/arch/sparc/kernel/signal32.c +++ b/arch/sparc/kernel/signal32.c @@ -299,6 +299,7 @@ static void flush_signal_insns(unsigned long address) unsigned long pstate, paddr; pte_t *ptep, pte; pgd_t *pgdp; + p4d_t *p4dp; pud_t *pudp; pmd_t *pmdp; @@ -318,7 +319,10 @@ static void flush_signal_insns(unsigned long address) pgdp = pgd_offset(current->mm, address); if (pgd_none(*pgdp)) goto out_irqs_on; - pudp = pud_offset(pgdp, address); + p4dp = p4d_offset(pgdp, address); + if (p4d_none(*p4dp)) + goto out_irqs_on; + pudp = pud_offset(p4dp, address); if (pud_none(*pudp)) goto out_irqs_on; pmdp = pmd_offset(pudp, address); |