[08/94] x86/sgx: Use vma_lookup() in sgx_encl_find()
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Message ID 20210428153542.2814175-9-Liam.Howlett@Oracle.com
State New, archived
Headers show
Series
  • Introducing the Maple Tree
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Commit Message

Liam Howlett April 28, 2021, 3:35 p.m. UTC
Using vma_lookup() removes the requirement to check if the address is
within the returned vma.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
 arch/x86/kernel/cpu/sgx/encl.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch
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diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
index 6e74f85b6264..fec43ca65065 100644
--- a/arch/x86/kernel/cpu/sgx/encl.h
+++ b/arch/x86/kernel/cpu/sgx/encl.h
@@ -91,8 +91,8 @@  static inline int sgx_encl_find(struct mm_struct *mm, unsigned long addr,
 {
 	struct vm_area_struct *result;
 
-	result = find_vma(mm, addr);
-	if (!result || result->vm_ops != &sgx_vm_ops || addr < result->vm_start)
+	result = vma_lookup(mm, addr);
+	if (!result || result->vm_ops != &sgx_vm_ops)
 		return -EINVAL;
 
 	*vma = result;