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| author |   Jens Wiklander <jens.wiklander@linaro.org> | 2019-11-07 11:43:02 +0100 |
|---|---|---|
| committer | Jens Wiklander <jens.wiklander@linaro.org> | 2020-02-28 13:37:42 +0100 |
| commit | 758ecf13a41a9dc4f019c1381566132ef46c08ee (patch) | |
| tree | 2188303403a3ebf7558f9c1f9285cecd47118f89 /drivers/tee | |
| parent | tee: remove redundant teedev in struct tee_shm (diff) | |
| download | wireguard-linux-758ecf13a41a9dc4f019c1381566132ef46c08ee.tar.xz wireguard-linux-758ecf13a41a9dc4f019c1381566132ef46c08ee.zip | |
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: Jens Wiklander <jens.wiklander@linaro.org>
Diffstat (limited to 'drivers/tee')
| -rw-r--r-- | drivers/tee/tee_shm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c index b01d2b7eea71..bd679b72bd05 100644 --- a/drivers/tee/tee_shm.c +++ b/drivers/tee/tee_shm.c @@ -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, |