HWPOISON: Don't do early filtering if filter is disabled

Signed-off-by: Andi Kleen <ak@linux.intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c
index a77fe3f9e21..10ea71905c1 100644
--- a/mm/hwpoison-inject.c
+++ b/mm/hwpoison-inject.c
@@ -18,6 +18,8 @@ static int hwpoison_inject(void *data, u64 val)
         if (!capable(CAP_SYS_ADMIN))
                 return -EPERM;
 
+        if (!hwpoison_filter_enable)
+                goto inject;
         if (!pfn_valid(pfn))
                 return -ENXIO;
 
@@ -48,6 +50,7 @@ static int hwpoison_inject(void *data, u64 val)
         if (err)
                 return 0;
 
+inject:
         printk(KERN_INFO "Injecting memory failure at pfn %lx\n", pfn);
         return __memory_failure(pfn, 18, MF_COUNT_INCREASED);
 }