diff options
Diffstat (limited to 'arch/x86/kernel/cpu/sgx')
| -rw-r--r-- | arch/x86/kernel/cpu/sgx/encl.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/cpu/sgx/ioctl.c | 2 |
2 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c index 2a0e90fe2abc..91fa70e51004 100644 --- a/arch/x86/kernel/cpu/sgx/encl.c +++ b/arch/x86/kernel/cpu/sgx/encl.c @@ -755,6 +755,7 @@ static void sgx_mmu_notifier_release(struct mmu_notifier *mn, { struct sgx_encl_mm *encl_mm = container_of(mn, struct sgx_encl_mm, mmu_notifier); struct sgx_encl_mm *tmp = NULL; + bool found = false; /* * The enclave itself can remove encl_mm. Note, objects can't be moved @@ -764,12 +765,13 @@ static void sgx_mmu_notifier_release(struct mmu_notifier *mn, list_for_each_entry(tmp, &encl_mm->encl->mm_list, list) { if (tmp == encl_mm) { list_del_rcu(&encl_mm->list); + found = true; break; } } spin_unlock(&encl_mm->encl->mm_lock); - if (tmp == encl_mm) { + if (found) { synchronize_srcu(&encl_mm->encl->srcu); mmu_notifier_put(mn); } diff --git a/arch/x86/kernel/cpu/sgx/ioctl.c b/arch/x86/kernel/cpu/sgx/ioctl.c index 21ca0a831b70..5d390df21440 100644 --- a/arch/x86/kernel/cpu/sgx/ioctl.c +++ b/arch/x86/kernel/cpu/sgx/ioctl.c @@ -214,7 +214,7 @@ static int __sgx_encl_add_page(struct sgx_encl *encl, if (!(vma->vm_flags & VM_MAYEXEC)) return -EACCES; - ret = get_user_pages(src, 1, 0, &src_page, NULL); + ret = get_user_pages(src, 1, 0, &src_page); if (ret < 1) return -EFAULT; |