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Diffstat (limited to 'drivers/tee')
-rw-r--r--drivers/tee/optee/ffa_abi.c4
-rw-r--r--drivers/tee/tee_shm.c14
2 files changed, 12 insertions, 6 deletions
diff --git a/drivers/tee/optee/ffa_abi.c b/drivers/tee/optee/ffa_abi.c
index f9ef7d94cebd..a963eed70c1d 100644
--- a/drivers/tee/optee/ffa_abi.c
+++ b/drivers/tee/optee/ffa_abi.c
@@ -657,7 +657,7 @@ static int optee_ffa_do_call_with_arg(struct tee_context *ctx,
* with a matching configuration.
*/
-static bool optee_ffa_api_is_compatbile(struct ffa_device *ffa_dev,
+static bool optee_ffa_api_is_compatible(struct ffa_device *ffa_dev,
const struct ffa_ops *ops)
{
const struct ffa_msg_ops *msg_ops = ops->msg_ops;
@@ -908,7 +908,7 @@ static int optee_ffa_probe(struct ffa_device *ffa_dev)
ffa_ops = ffa_dev->ops;
notif_ops = ffa_ops->notifier_ops;
- if (!optee_ffa_api_is_compatbile(ffa_dev, ffa_ops))
+ if (!optee_ffa_api_is_compatible(ffa_dev, ffa_ops))
return -EINVAL;
if (!optee_ffa_exchange_caps(ffa_dev, ffa_ops, &sec_caps,
diff --git a/drivers/tee/tee_shm.c b/drivers/tee/tee_shm.c
index daf6e5cfd59a..2a7d253d9c55 100644
--- a/drivers/tee/tee_shm.c
+++ b/drivers/tee/tee_shm.c
@@ -230,7 +230,7 @@ int tee_dyn_shm_alloc_helper(struct tee_shm *shm, size_t size, size_t align,
pages = kcalloc(nr_pages, sizeof(*pages), GFP_KERNEL);
if (!pages) {
rc = -ENOMEM;
- goto err;
+ goto err_pages;
}
for (i = 0; i < nr_pages; i++)
@@ -243,11 +243,13 @@ int tee_dyn_shm_alloc_helper(struct tee_shm *shm, size_t size, size_t align,
rc = shm_register(shm->ctx, shm, pages, nr_pages,
(unsigned long)shm->kaddr);
if (rc)
- goto err;
+ goto err_kfree;
}
return 0;
-err:
+err_kfree:
+ kfree(pages);
+err_pages:
free_pages_exact(shm->kaddr, shm->size);
shm->kaddr = NULL;
return rc;
@@ -560,9 +562,13 @@ EXPORT_SYMBOL_GPL(tee_shm_get_from_id);
*/
void tee_shm_put(struct tee_shm *shm)
{
- struct tee_device *teedev = shm->ctx->teedev;
+ struct tee_device *teedev;
bool do_release = false;
+ if (!shm || !shm->ctx || !shm->ctx->teedev)
+ return;
+
+ teedev = shm->ctx->teedev;
mutex_lock(&teedev->mutex);
if (refcount_dec_and_test(&shm->refcount)) {
/*