comctl32: Remove redundant NULL checks before Free() (found by Smatch).

dlls/comctl32/comboex.c

@@ -1580,10 +1580,8 @@ static LRESULT COMBOEX_Destroy (COMBOEX_INFO *infoPtr)
     if (infoPtr->hwndCombo)
 	DestroyWindow (infoPtr->hwndCombo);
 
-    if (infoPtr->edit) {
     Free (infoPtr->edit);
     infoPtr->edit = 0;
-    }
 
     if (infoPtr->items) {
         CBE_ITEMDATA *item, *next;

dlls/comctl32/comctl32undoc.c

@@ -954,11 +954,9 @@ BOOL Str_SetPtrAtoW (LPWSTR *lppDest, LPCSTR lpSrc)
 	*lppDest = ptr;
     }
     else {
-	if (*lppDest) {
         Free (*lppDest);
         *lppDest = NULL;
     }
-    }
 
     return TRUE;
 }
@@ -994,11 +992,9 @@ BOOL Str_SetPtrWtoA (LPSTR *lppDest, LPCWSTR lpSrc)
         *lppDest = ptr;
     }
     else {
-        if (*lppDest) {
         Free (*lppDest);
         *lppDest = NULL;
     }
-    }
 
     return TRUE;
 }

dlls/comctl32/header.c

@@ -957,7 +957,7 @@ HEADER_PrepareCallbackItems(HWND hwnd, INT iItem, INT reqMask)
 static void
 HEADER_FreeCallbackItems(HEADER_ITEM *lpItem)
 {
-    if (lpItem->callbackMask&HDI_TEXT && lpItem->pszText != NULL)
+    if (lpItem->callbackMask&HDI_TEXT)
     {
         Free(lpItem->pszText);
         lpItem->pszText = NULL;

dlls/comctl32/propsheet.c

@@ -2404,7 +2404,7 @@ static BOOL PROPSHEET_RemovePage(HWND hwndDlg,
   {
      PROPSHEETPAGEW* psp = (PROPSHEETPAGEW*)psInfo->proppage[index].hpage;
 
-     if ((psp->dwFlags & PSP_USETITLE) && psInfo->proppage[index].pszText)
+     if (psp->dwFlags & PSP_USETITLE)
         Free ((LPVOID)psInfo->proppage[index].pszText);
 
      DestroyPropertySheetPage(psInfo->proppage[index].hpage);
@@ -2719,7 +2719,7 @@ static void PROPSHEET_CleanUp(HWND hwndDlg)
 
      if(psp)
      {
-        if ((psp->dwFlags & PSP_USETITLE) && psInfo->proppage[i].pszText)
+        if (psp->dwFlags & PSP_USETITLE)
            Free ((LPVOID)psInfo->proppage[i].pszText);
 
         DestroyPropertySheetPage(psInfo->proppage[i].hpage);

dlls/comctl32/rebar.c

@@ -2750,10 +2750,8 @@ REBAR_Destroy (REBAR_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
 	    lpBand = &infoPtr->bands[i];
 
 	    /* delete text strings */
-	    if (lpBand->lpText) {
             Free (lpBand->lpText);
             lpBand->lpText = NULL;
-	    }
 	    /* destroy child window */
 	    DestroyWindow (lpBand->hwndChild);
 	}

dlls/comctl32/status.c

@@ -662,7 +662,7 @@ STATUSBAR_SetParts (STATUS_INFO *infoPtr, INT count, LPINT parts)
     infoPtr->numParts = count;
     if (oldNumParts > infoPtr->numParts) {
 	for (i = infoPtr->numParts ; i < oldNumParts; i++) {
-	    if (infoPtr->parts[i].text && !(infoPtr->parts[i].style & SBT_OWNERDRAW))
+	    if (!(infoPtr->parts[i].style & SBT_OWNERDRAW))
 		Free (infoPtr->parts[i].text);
 	}
     } else if (oldNumParts < infoPtr->numParts) {
@@ -671,7 +671,6 @@ STATUSBAR_SetParts (STATUS_INFO *infoPtr, INT count, LPINT parts)
 	for (i = 0; i < oldNumParts; i++) {
 	    tmp[i] = infoPtr->parts[i];
 	}
-	if (infoPtr->parts)
         Free (infoPtr->parts);
 	infoPtr->parts = tmp;
     }
@@ -751,10 +750,9 @@ STATUSBAR_SetTextT (STATUS_INFO *infoPtr, INT nPart, WORD style,
     oldStyle = part->style;
     part->style = style;
     if (style & SBT_OWNERDRAW) {
-        if (!(oldStyle & SBT_OWNERDRAW)) {
-            if (part->text)
+        if (!(oldStyle & SBT_OWNERDRAW))
             Free (part->text);
-        } else if (part->text == text)
+        else if (part->text == text)
             return TRUE;
         part->text = (LPWSTR)text;
     } else {
@@ -783,7 +781,7 @@ STATUSBAR_SetTextT (STATUS_INFO *infoPtr, INT nPart, WORD style,
 		return TRUE;
 	}
 
-	if (part->text && !(oldStyle & SBT_OWNERDRAW))
+	if (!(oldStyle & SBT_OWNERDRAW))
 	    Free (part->text);
 	part->text = ntext;
     }
@@ -870,10 +868,10 @@ STATUSBAR_WMDestroy (STATUS_INFO *infoPtr)
 
     TRACE("\n");
     for (i = 0; i < infoPtr->numParts; i++) {
-	if (infoPtr->parts[i].text && !(infoPtr->parts[i].style & SBT_OWNERDRAW))
+	if (!(infoPtr->parts[i].style & SBT_OWNERDRAW))
 	    Free (infoPtr->parts[i].text);
     }
-    if (infoPtr->part0.text && !(infoPtr->part0.style & SBT_OWNERDRAW))
+    if (!(infoPtr->part0.style & SBT_OWNERDRAW))
 	Free (infoPtr->part0.text);
     Free (infoPtr->parts);
 
@@ -1138,7 +1136,6 @@ STATUSBAR_WMSetText (STATUS_INFO *infoPtr, LPCSTR text)
 
     part = &infoPtr->parts[0];
     /* duplicate string */
-    if (part->text)
     Free (part->text);
     part->text = 0;
     if (infoPtr->bUnicode) {

dlls/comctl32/string.c

@@ -215,11 +215,9 @@ BOOL WINAPI Str_SetPtrA (LPSTR *lppDest, LPCSTR lpSrc)
         *lppDest = ptr;
     }
     else {
-        if (*lppDest) {
         Free (*lppDest);
         *lppDest = NULL;
     }
-    }
 
     return TRUE;
 }
@@ -274,11 +272,9 @@ BOOL WINAPI Str_SetPtrW (LPWSTR *lppDest, LPCWSTR lpSrc)
         *lppDest = ptr;
     }
     else {
-        if (*lppDest) {
         Free (*lppDest);
         *lppDest = NULL;
     }
-    }
 
     return TRUE;
 }

dlls/comctl32/syslink.c

@@ -684,11 +684,8 @@ static VOID SYSLINK_Render (SYSLINK_INFO *infoPtr, HDC hdc, PRECT pRect)
         tx = Current->Text;
         n = Current->nText;
 
-        if (Current->Blocks != NULL)
-        {
         Free(Current->Blocks);
         Current->Blocks = NULL;
-        }
         bl = NULL;
         nBlocks = 0;
 

dlls/comctl32/tab.c

@@ -2768,11 +2768,8 @@ TAB_SetItemT (TAB_INFO *infoPtr, INT iItem, LPTCITEMW tabItem, BOOL bUnicode)
 
   if (tabItem->mask & TCIF_TEXT)
   {
-    if (wineItem->pszText)
-    {
     Free(wineItem->pszText);
     wineItem->pszText = NULL;
-    }
     if (bUnicode)
       Str_SetPtrW(&wineItem->pszText, tabItem->pszText);
     else

dlls/comctl32/toolbar.c

@@ -5385,7 +5385,6 @@ TOOLBAR_Destroy (HWND hwnd, WPARAM wParam, LPARAM lParam)
     Free (infoPtr->bitmaps);            /* bitmaps list */
 
     /* delete button data */
-    if (infoPtr->buttons)
     Free (infoPtr->buttons);
 
     /* delete strings */

dlls/comctl32/updown.c

@@ -831,7 +831,7 @@ static LRESULT WINAPI UpDownWindowProc(HWND hwnd, UINT message, WPARAM wParam, L
 	    break;
 
 	case WM_DESTROY:
-	    if(infoPtr->AccelVect) Free (infoPtr->AccelVect);
+	    Free (infoPtr->AccelVect);
 
 	    if(infoPtr->Buddy) RemovePropW(infoPtr->Buddy, BUDDY_UPDOWN_HWND);