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authorOtavio Salvador <otavio@ossystems.com.br>2019-03-28 10:47:24 -0300
committerGitHub <noreply@github.com>2019-03-28 10:47:24 -0300
commit0a8ab17689e628c84a666195bfc6ab85d11cf057 (patch)
tree01630dc4a6935df99bf7d11d34ff8d384fed86e2 /mm/mmap.c
parent1e71d8c630cbc0d1f5d762fd019690b5cdb880ae (diff)
parent32aca03c2ce868d3412da0bb6ce6798c7bea357e (diff)
Merge pull request #46 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'mm/mmap.c')
-rw-r--r--mm/mmap.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/mm/mmap.c b/mm/mmap.c
index 283755645d17..3f2314ad6acd 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2345,12 +2345,11 @@ int expand_downwards(struct vm_area_struct *vma,
struct mm_struct *mm = vma->vm_mm;
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;