lib: only reset global errno if needed (for direct API)

intel · Dec 12, 2022 · 9f5adae · 9f5adae
1 parent fe86952
commit 9f5adae
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/include/error.inc b/lib/include/error.inc
@@ -103,7 +103,10 @@ SET_ERRNO_TYPES \
 ;; Reset global imb_errno to 0
 %macro IMB_ERR_CHECK_RESET 0
 
+        cmp     dword [rel imb_errno], 0
+        jz      %%do_not_reset
         mov     dword [rel imb_errno], 0
+%%do_not_reset:
 %endmacro
 
 ;; Set GP reg and global imb_errno to 0