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Diffstat (limited to 'mm')
-rw-r--r--mm/mmap.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index 698d103c904c..738c926fb1ec 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2292,12 +2292,11 @@ int expand_downwards(struct vm_area_struct *vma,
{
struct vm_area_struct *prev;
unsigned long gap_addr;
- int error;
+ int error = 0;
address &= PAGE_MASK;
- error = security_mmap_addr(address);
- if (error)
- return error;
+ if (address < mmap_min_addr)
+ return -EPERM;
/* Enforce stack_guard_gap */
gap_addr = address - stack_guard_gap;