]> www.infradead.org Git - users/jedix/linux-maple.git/commitdiff
tee: tee_shm_op_mmap(): use TEE_SHM_USER_MAPPED
authorJens Wiklander <jens.wiklander@linaro.org>
Thu, 7 Nov 2019 10:43:02 +0000 (11:43 +0100)
committerJens Wiklander <jens.wiklander@linaro.org>
Fri, 28 Feb 2020 12:37:42 +0000 (13:37 +0100)
tee_shm_op_mmap() uses the TEE_SHM_USER_MAPPED flag instead of the
TEE_SHM_REGISTER flag to tell if a shared memory object is originating
from registered user space memory.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
drivers/tee/tee_shm.c

index b01d2b7eea7173ea45a8df8cc17a14a860f3079a..bd679b72bd05ce7ce35061fac83f996feabead8f 100644 (file)
@@ -76,7 +76,7 @@ static int tee_shm_op_mmap(struct dma_buf *dmabuf, struct vm_area_struct *vma)
        size_t size = vma->vm_end - vma->vm_start;
 
        /* Refuse sharing shared memory provided by application */
-       if (shm->flags & TEE_SHM_REGISTER)
+       if (shm->flags & TEE_SHM_USER_MAPPED)
                return -EINVAL;
 
        return remap_pfn_range(vma, vma->vm_start, shm->paddr >> PAGE_SHIFT,