Changeset 26049 in vbox

Timestamp:

Jan 26, 2010 2:31:29 PM (15 years ago)

Author:

vboxsync

Message:

ATA: checksum typo, cleanup

File:

• trunk/src/VBox/Devices/Storage/DevATA.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Storage/DevATA.cpp

@@ -1148 +1148 @@
 }
 
-static uint32_t ataChecksum(void* p, size_t count)
-{
-    uint8_t sum = 0xa5, *pp = (uint8_t*)p;
+static uint32_t ataChecksum(void* ptr, size_t count)
+{
+    uint8_t u8Sum = 0xa5, *p = (uint8_t*)ptr;
     size_t i;
 
     for (i = 0; i < count; i++)
     {
-      sum += pp[i];
-      count--;
-    }
-
-    return (uint8_t)-(int32_t)sum;
+      u8Sum += *p++;
+    }
+
+    return (uint8_t)-(int32_t)u8Sum;
 }