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tee: amdtee: print error message if tee not present

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If there is no TEE with which the driver can communicate, then
print an error message and return.

Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rijo Thomas <Rijo-john.Thomas@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Rijo Thomas 2020-01-09 18:23:19 +05:30 committed by Herbert Xu
parent 5ae63958a6
commit f4c58c3758
1 changed files with 4 additions and 3 deletions
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7
drivers/tee/amdtee/core.c
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@ -440,8 +440,10 @@ static int __init amdtee_driver_init(void)
int rc;
rc = psp_check_tee_status();
if (rc)
goto err_fail;
if (rc) {
pr_err("amd-tee driver: tee not present\n");
return rc;
}
drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
if (IS_ERR(drv_data))
@ -490,7 +492,6 @@ err_kfree_drv_data:
kfree(drv_data);
drv_data = NULL;
err_fail:
pr_err("amd-tee driver initialization failed\n");
return rc;
}