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-rw-r--r--mm/vmalloc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 735b501ac412..8c20670e246d 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -2894,7 +2894,10 @@ long vread(char *buf, char *addr, unsigned long count)
count = -(unsigned long) addr;
spin_lock(&vmap_area_lock);
- list_for_each_entry(va, &vmap_area_list, list) {
+ va = __find_vmap_area((unsigned long)addr);
+ if (!va)
+ goto finished;
+ list_for_each_entry_from(va, &vmap_area_list, list) {
if (!count)
break;