5 files changed, 6 insertions, 9 deletions
diff --git a/src/gui/image/qmovie.cpp b/src/gui/image/qmovie.cpp
index 2265e7b..c341e5e 100644
--- a/src/gui/image/qmovie.cpp
+++ b/src/gui/image/qmovie.cpp
@@ -356,7 +356,7 @@ QFrameInfo QMoviePrivate::infoForFrame(int frameNumber)
                         reader = new QImageReader(device, format);
                     else
                         reader = new QImageReader(absoluteFilePath, format);
-                    reader->canRead(); // Provoke a device->open() call
+                    (void)reader->canRead(); // Provoke a device->open() call
                     reader->device()->seek(initialDevicePos);
                     reader->setBackgroundColor(bgColor);
                     reader->setScaledSize(scaledSize);
diff --git a/src/gui/image/qppmhandler.cpp b/src/gui/image/qppmhandler.cpp
index 77ccb48..ed8f4c1 100644
--- a/src/gui/image/qppmhandler.cpp
+++ b/src/gui/image/qppmhandler.cpp
@@ -80,7 +80,7 @@ static int read_pbm_int(QIODevice *d)
         else if (isspace((uchar) c))
             continue;
         else if (c == '#')
-            d->readLine(buf, buflen);
+            (void)d->readLine(buf, buflen);
         else
             break;
     }
diff --git a/src/gui/itemviews/qheaderview.cpp b/src/gui/itemviews/qheaderview.cpp
index 633dd53..96df758 100644
--- a/src/gui/itemviews/qheaderview.cpp
+++ b/src/gui/itemviews/qheaderview.cpp
@@ -2615,7 +2615,7 @@ void QHeaderView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bot
         int first = orientation() == Qt::Horizontal ? topLeft.column() : topLeft.row();
         int last = orientation() == Qt::Horizontal ? bottomRight.column() : bottomRight.row();
         for (int i = first; i <= last && !resizeRequired; ++i)
-            resizeRequired = (resizeRequired && resizeMode(i));
+            resizeRequired = (resizeMode(i) == ResizeToContents);
         if (resizeRequired)
             d->doDelayedResizeSections();
     }
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp
index 654870f..d00329b 100644
--- a/src/gui/painting/qpaintengine_raster.cpp
+++ b/src/gui/painting/qpaintengine_raster.cpp
@@ -1022,9 +1022,6 @@ void QRasterPaintEnginePrivate::drawImage(const QPointF &pt,
     if (alpha == 0 || !clip.isValid())
         return;
 
-    if (alpha ==0)
-        return;
-
     Q_ASSERT(img.depth() >= 8);
 
     int srcBPL = img.bytesPerLine();
diff --git a/src/gui/text/qcssparser.cpp b/src/gui/text/qcssparser.cpp
index f11104f..d3dcf50 100644
--- a/src/gui/text/qcssparser.cpp
+++ b/src/gui/text/qcssparser.cpp
@@ -789,7 +789,7 @@ static BrushData parseBrushValue(const Value &v, const QPalette &pal)
         } else {
             parser.next();
             Value value;
-            parser.parseTerm(&value);
+            (void)parser.parseTerm(&value);
             if (attr.compare(QLatin1String("spread"), Qt::CaseInsensitive) == 0) {
                 spread = spreads.indexOf(value.variant.toString());
             } else {
@@ -797,7 +797,7 @@ static BrushData parseBrushValue(const Value &v, const QPalette &pal)
             }
         }
         parser.skipSpace();
-        parser.test(COMMA);
+        (void)parser.test(COMMA);
     }
 
     if (gradType == 0) {
@@ -2458,7 +2458,7 @@ bool Parser::parseAttrib(AttributeSelector *attr)
 
 bool Parser::parsePseudo(Pseudo *pseudo)
 {
-    test(COLON);
+    (void)test(COLON);
     pseudo->negated = test(EXCLAMATION_SYM);
     if (test(IDENT)) {
         pseudo->name = lexem();