diff options
| author | Jens Wiklander <jens.wiklander@linaro.org> | 2016-12-23 13:13:27 +0100 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | a8968419feaee0c0c3569eb95366ba08972a031f (patch) | |
| tree | b0230047125d6ee6bd69610f9ac70c73953ca6df /drivers/tee | |
| parent | d5c5aa5faedf051fc65c68067d1e7763aa9f889d (diff) | |
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>
From: https://github.com/linaro-swg/linux.git
(cherry picked from commit 747f68059436ac55c330ebffc5176b79006aafcf)
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 339787cf6198..879bf3e19be8 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -270,18 +270,6 @@ 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) { @@ -345,7 +333,7 @@ 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); @@ -407,7 +395,7 @@ 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); |