commit f8564cbf47ad942e90d379df4f34ee6c9ac6db5f
author Antonio de Angelis <Antonio.deAngelis@arm.com> Wed Apr 28 13:52:13 2021 +0100
committer Antonio de Angelis <Antonio.deAngelis@arm.com> Tue Jun 08 11:47:43 2021 +0200
tree 0fc315f4d61ab452c361757c34fd23874dffb4fe
parent 8d004f7772630c50c691966257ff1dfcaf79f3f3

SPM: Invert tfm_spm_check_buffer_access() logic

Invert the logic for the tfm_spm_check_buffer_access() function
to conform to "0 means success" and align to other APIs. Refactor
the function itself to provide different return codes on error and
a default failure return instead of default success.

Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>
Change-Id: I40ef814a472375cdb2c40ac75dd5f605a9eccbfe

interface/include/tfm_api.h

diff --git a/interface/include/tfm_api.h b/interface/include/tfm_api.h
index 9d0df04..1d4c9ee 100644
--- a/interface/include/tfm_api.h
+++ b/interface/include/tfm_api.h
@@ -53,6 +53,7 @@
     TFM_ERROR_NOT_INITIALIZED,
     TFM_ERROR_NO_ACTIVE_PARTITION,
     TFM_ERROR_INVALID_EXC_MODE,
+    TFM_ERROR_NOT_IN_RANGE,
     TFM_SECURE_LOCK_FAILED,
     TFM_SECURE_UNLOCK_FAILED,
     TFM_ERROR_GENERIC = 0x1F,