diff options
| -rw-r--r-- | lib/sbi/sbi_hart_protection.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/lib/sbi/sbi_hart_protection.c b/lib/sbi/sbi_hart_protection.c index 306f5af..fbebfd1 100644 --- a/lib/sbi/sbi_hart_protection.c +++ b/lib/sbi/sbi_hart_protection.c @@ -54,7 +54,7 @@ int sbi_hart_protection_configure(struct sbi_scratch *scratch) struct sbi_hart_protection *hprot = sbi_hart_protection_best(); if (!hprot) - return SBI_EINVAL; + return 0; if (!hprot->configure) return SBI_ENOSYS; @@ -75,9 +75,7 @@ int sbi_hart_protection_map_range(unsigned long base, unsigned long size) { struct sbi_hart_protection *hprot = sbi_hart_protection_best(); - if (!hprot) - return SBI_EINVAL; - if (!hprot->map_range) + if (!hprot || !hprot->map_range) return 0; return hprot->map_range(sbi_scratch_thishart_ptr(), base, size); @@ -87,9 +85,7 @@ int sbi_hart_protection_unmap_range(unsigned long base, unsigned long size) { struct sbi_hart_protection *hprot = sbi_hart_protection_best(); - if (!hprot) - return SBI_EINVAL; - if (!hprot->unmap_range) + if (!hprot || !hprot->unmap_range) return 0; return hprot->unmap_range(sbi_scratch_thishart_ptr(), base, size); |