From: Zhou Guanghui <zhouguanghui1@huawei.com> ascend inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I4EUVI CVE: NA -------------------------------------------------- The user needs the process pid, that is, task tgid. Signed-off-by: Zhou Guanghui <zhouguanghui1@huawei.com> Reviewed-by: Weilong Chen <chenweilong@huawei.com> Reviewed-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/char/svm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/svm.c b/drivers/char/svm.c index 9c2965f6d4636..7289750dedd25 100644 --- a/drivers/char/svm.c +++ b/drivers/char/svm.c @@ -348,7 +348,7 @@ static void svm_set_slot_valid(unsigned long index, unsigned long phys) *((unsigned long *)slot->data) = phys; slot->image_word = SVM_IMAGE_WORD_VALID; - slot->pid = current->pid; + slot->pid = current->tgid; slot->data_type = SVM_VA2PA_TYPE_DMA; __bitmap_set(va2pa_trunk.bitmap, index, 1); va2pa_trunk.slot_used++; -- 2.25.1