Commit 758ecf13 authored by Jens Wiklander's avatar Jens Wiklander
Browse files

tee: tee_shm_op_mmap(): use TEE_SHM_USER_MAPPED 



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: default avatarJens Wiklander <jens.wiklander@linaro.org>
parent 5271b201

drivers/tee/tee_shm.c

+1 −1
Original line number Diff line number Diff line
@@ -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,

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