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tee: add tee_param_is_memref() for driver use
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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4fbd8d194f
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@ -221,18 +221,6 @@ static int params_to_user(struct tee_ioctl_param __user *uparams,
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return 0;
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}
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static bool param_is_memref(struct tee_param *param)
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{
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switch (param->attr & TEE_IOCTL_PARAM_ATTR_TYPE_MASK) {
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case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INPUT:
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case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_OUTPUT:
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case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT:
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return true;
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default:
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return false;
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}
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}
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static int tee_ioctl_open_session(struct tee_context *ctx,
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struct tee_ioctl_buf_data __user *ubuf)
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{
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@ -296,7 +284,7 @@ out:
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if (params) {
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/* Decrease ref count for all valid shared memory pointers */
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for (n = 0; n < arg.num_params; n++)
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if (param_is_memref(params + n) &&
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if (tee_param_is_memref(params + n) &&
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params[n].u.memref.shm)
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tee_shm_put(params[n].u.memref.shm);
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kfree(params);
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@ -358,7 +346,7 @@ out:
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if (params) {
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/* Decrease ref count for all valid shared memory pointers */
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for (n = 0; n < arg.num_params; n++)
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if (param_is_memref(params + n) &&
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if (tee_param_is_memref(params + n) &&
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params[n].u.memref.shm)
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tee_shm_put(params[n].u.memref.shm);
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kfree(params);
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@ -275,4 +275,16 @@ int tee_shm_get_id(struct tee_shm *shm);
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*/
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struct tee_shm *tee_shm_get_from_id(struct tee_context *ctx, int id);
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static inline bool tee_param_is_memref(struct tee_param *param)
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{
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switch (param->attr & TEE_IOCTL_PARAM_ATTR_TYPE_MASK) {
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case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INPUT:
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case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_OUTPUT:
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case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT:
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return true;
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default:
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return false;
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}
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}
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#endif /*__TEE_DRV_H*/
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