Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-01-09 23:00:21 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

x86/sgx: use vma_lookup() in sgx_encl_find()

Browse Source 
Use vma_lookup() to find the VMA at a specific address.  As vma_lookup()
will return NULL if the address is not within any VMA, the start address
no longer needs to be validated.

Link: https://lkml.kernel.org/r/20210521174745.2219620-10-Liam.Howlett@Oracle.com
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Reviewed-by: Laurent Dufour <ldufour@linux.ibm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Davidlohr Bueso <dbueso@suse.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Liam Howlett 2021-06-28 19:39:14 -07:00 committed by Linus Torvalds
parent 3b93e042a5
commit 9ce2c3fc0b
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/x86/kernel/cpu/sgx/encl.h
View File

@ -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;