commit c26f8d467aa4800eac2a633ed1d2bbf7f53f5b34
author Ronald Cron <ronald.cron@arm.com> Tue Sep 01 10:51:51 2020 +0200
committer Ronald Cron <ronald.cron@arm.com> Tue Nov 10 16:00:41 2020 +0100
tree 9f73c153d389143ae94c254b5492a8cc37549834
parent 91e951542494d2a389ba2fad6df102ee90ec7c0d

Introduce psa_key_handle_is_null inline function

Signed-off-by: Ronald Cron <ronald.cron@arm.com>

library/psa_crypto_slot_management.c

diff --git a/library/psa_crypto_slot_management.c b/library/psa_crypto_slot_management.c
index dacd7f6..6303473 100644
--- a/library/psa_crypto_slot_management.c
+++ b/library/psa_crypto_slot_management.c
@@ -81,7 +81,8 @@
     /* 0 is not a valid handle under any circumstance. This
      * implementation provides slots number 1 to N where N is the
      * number of available slots. */
-    if( handle == 0 || handle > ARRAY_LENGTH( global_data.key_slots ) )
+    if( psa_key_handle_is_null( handle ) || 
+        ( handle > ARRAY_LENGTH( global_data.key_slots ) ) )
         return( PSA_ERROR_INVALID_HANDLE );
     slot = &global_data.key_slots[handle - 1];
 
@@ -261,7 +262,7 @@
     psa_status_t status;
     psa_key_slot_t *slot;
 
-    if( handle == 0 )
+    if( psa_key_handle_is_null( handle ) )
         return( PSA_SUCCESS );
 
     status = psa_get_key_slot( handle, &slot );