X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=blobdiff_plain;f=drivers%2Ftee%2Foptee%2Fshm_pool.c;h=d767eebf30bdd5625b10350904b019edbe8166ca;hp=0332a5301d6136d83f6cd101fd7be666efc9dd17;hb=5a769f6ff439cedc547395a6dc78faa26108f741;hpb=b01d7cb41ff51b7779977de601a984406e2a5ba9 diff --git a/drivers/tee/optee/shm_pool.c b/drivers/tee/optee/shm_pool.c index 0332a5301d61..d767eebf30bd 100644 --- a/drivers/tee/optee/shm_pool.c +++ b/drivers/tee/optee/shm_pool.c @@ -28,9 +28,22 @@ static int pool_op_alloc(struct tee_shm_pool_mgr *poolm, shm->size = PAGE_SIZE << order; if (shm->flags & TEE_SHM_DMA_BUF) { + unsigned int nr_pages = 1 << order, i; + struct page **pages; + + pages = kcalloc(nr_pages, sizeof(pages), GFP_KERNEL); + if (!pages) + return -ENOMEM; + + for (i = 0; i < nr_pages; i++) { + pages[i] = page; + page++; + } + shm->flags |= TEE_SHM_REGISTER; - rc = optee_shm_register(shm->ctx, shm, &page, 1 << order, + rc = optee_shm_register(shm->ctx, shm, pages, nr_pages, (unsigned long)shm->kaddr); + kfree(pages); } return rc;