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| author | Jens Wiklander <jens.wiklander@linaro.org> | 2016-12-23 13:13:27 +0100 |
|---|---|---|
| committer | Jens Wiklander <jens.wiklander@linaro.org> | 2017-11-29 10:37:13 +0100 |
| commit | 84debcc53533f162bf11f24e6a503d227c175cbe (patch) | |
| tree | 2acb8a7a75c0ecd23cde340faf8f763122597feb /drivers/tee | |
| parent | 4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff) | |
| download | linux-0-day-84debcc53533f162bf11f24e6a503d227c175cbe.tar.gz linux-0-day-84debcc53533f162bf11f24e6a503d227c175cbe.tar.xz | |
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>
Diffstat (limited to 'drivers/tee')
| -rw-r--r-- | drivers/tee/tee_core.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index 58a5009eacc38..c78104589e426 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -221,18 +221,6 @@ static int params_to_user(struct tee_ioctl_param __user *uparams, return 0; } -static bool param_is_memref(struct tee_param *param) -{ - switch (param->attr & TEE_IOCTL_PARAM_ATTR_TYPE_MASK) { - case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INPUT: - case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_OUTPUT: - case TEE_IOCTL_PARAM_ATTR_TYPE_MEMREF_INOUT: - return true; - default: - return false; - } -} - static int tee_ioctl_open_session(struct tee_context *ctx, struct tee_ioctl_buf_data __user *ubuf) { @@ -296,7 +284,7 @@ out: if (params) { /* Decrease ref count for all valid shared memory pointers */ for (n = 0; n < arg.num_params; n++) - if (param_is_memref(params + n) && + if (tee_param_is_memref(params + n) && params[n].u.memref.shm) tee_shm_put(params[n].u.memref.shm); kfree(params); @@ -358,7 +346,7 @@ out: if (params) { /* Decrease ref count for all valid shared memory pointers */ for (n = 0; n < arg.num_params; n++) - if (param_is_memref(params + n) && + if (tee_param_is_memref(params + n) && params[n].u.memref.shm) tee_shm_put(params[n].u.memref.shm); kfree(params); |