From: Olivier Martin <olivier.martin@arm.com>
Date: Thu, 2 Apr 2015 13:51:28 +0000 (+0000)
Subject: ArmPkg/BaseMemoryLib(Sym|Vstm): Do not post increment returned pointer
X-Git-Tag: edk2-stable201903~10096
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=80d313972410fef01ad9575a78b302dd521e968b;p=mirror_edk2.git

ArmPkg/BaseMemoryLib(Sym|Vstm): Do not post increment returned pointer

InternalMemScanMem(8|16|32|64) was returning a pointer that was
post incremented from the expected returned value.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>
Reviewed-by: Ronald Cron <ronald.cron@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17108 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/ArmPkg/Library/BaseMemoryLibStm/MemLibGeneric.c b/ArmPkg/Library/BaseMemoryLibStm/MemLibGeneric.c
index ef7874877d..54c2701295 100755
--- a/ArmPkg/Library/BaseMemoryLibStm/MemLibGeneric.c
+++ b/ArmPkg/Library/BaseMemoryLibStm/MemLibGeneric.c
@@ -162,9 +162,10 @@ InternalMemScanMem8 (
 
   Pointer = (CONST UINT8*)Buffer;
   do {
-    if (*(Pointer++) == Value) {
+    if (*Pointer == Value) {
       return Pointer;
     }
+    Pointer++;
   } while (--Length != 0);
   return NULL;
 }
@@ -192,9 +193,10 @@ InternalMemScanMem16 (
 
   Pointer = (CONST UINT16*)Buffer;
   do {
-    if (*(Pointer++) == Value) {
+    if (*Pointer == Value) {
       return Pointer;
     }
+    Pointer++;
   } while (--Length != 0);
   return NULL;
 }
@@ -222,9 +224,10 @@ InternalMemScanMem32 (
 
   Pointer = (CONST UINT32*)Buffer;
   do {
-    if (*(Pointer++) == Value) {
+    if (*Pointer == Value) {
       return Pointer;
     }
+    Pointer++;
   } while (--Length != 0);
   return NULL;
 }
@@ -252,9 +255,10 @@ InternalMemScanMem64 (
 
   Pointer = (CONST UINT64*)Buffer;
   do {
-    if (*(Pointer++) == Value) {
+    if (*Pointer == Value) {
       return Pointer;
     }
+    Pointer++;
   } while (--Length != 0);
   return NULL;
 }
diff --git a/ArmPkg/Library/BaseMemoryLibVstm/MemLibGeneric.c b/ArmPkg/Library/BaseMemoryLibVstm/MemLibGeneric.c
index ef7874877d..54c2701295 100755
--- a/ArmPkg/Library/BaseMemoryLibVstm/MemLibGeneric.c
+++ b/ArmPkg/Library/BaseMemoryLibVstm/MemLibGeneric.c
@@ -162,9 +162,10 @@ InternalMemScanMem8 (
 
   Pointer = (CONST UINT8*)Buffer;
   do {
-    if (*(Pointer++) == Value) {
+    if (*Pointer == Value) {
       return Pointer;
     }
+    Pointer++;
   } while (--Length != 0);
   return NULL;
 }
@@ -192,9 +193,10 @@ InternalMemScanMem16 (
 
   Pointer = (CONST UINT16*)Buffer;
   do {
-    if (*(Pointer++) == Value) {
+    if (*Pointer == Value) {
       return Pointer;
     }
+    Pointer++;
   } while (--Length != 0);
   return NULL;
 }
@@ -222,9 +224,10 @@ InternalMemScanMem32 (
 
   Pointer = (CONST UINT32*)Buffer;
   do {
-    if (*(Pointer++) == Value) {
+    if (*Pointer == Value) {
       return Pointer;
     }
+    Pointer++;
   } while (--Length != 0);
   return NULL;
 }
@@ -252,9 +255,10 @@ InternalMemScanMem64 (
 
   Pointer = (CONST UINT64*)Buffer;
   do {
-    if (*(Pointer++) == Value) {
+    if (*Pointer == Value) {
       return Pointer;
     }
+    Pointer++;
   } while (--Length != 0);
   return NULL;
 }