xa_destroy() needs to be called to destroy virtual EPC's page array
before calling kfree() to free the virtual EPC. Currently it is not
called. Add the missing xa_destroy() to fix.
Fixes: 540745ddbc70 ("x86/sgx: Introduce virtual EPC for use by KVM guests")
Tested-by: Yang Zhong <yang.zhong@xxxxxxxxx>
Acked-by: Dave Hansen <dave.hansen@xxxxxxxxx>
Signed-off-by: Kai Huang <kai.huang@xxxxxxxxx>
---
v1->v2:
- Fixed typo in commit msg
- Added Dave's Acked-by
---
arch/x86/kernel/cpu/sgx/virt.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kernel/cpu/sgx/virt.c b/arch/x86/kernel/cpu/sgx/virt.c
index 6ad165a5c0cc..64511c4a5200 100644
--- a/arch/x86/kernel/cpu/sgx/virt.c
+++ b/arch/x86/kernel/cpu/sgx/virt.c
@@ -212,6 +212,7 @@ static int sgx_vepc_release(struct inode *inode, struct file *file)
list_splice_tail(&secs_pages, &zombie_secs_pages);
mutex_unlock(&zombie_secs_pages_lock);
+ xa_destroy(&vepc->page_array);
kfree(vepc);
return 0;
--
2.31.1
