QSettings: Fix isWritable incorrectly returning true on linux.

When the target directory exists and is readable, QConfFile::isWritable
used to returned true, even though the actual config file was not
necessarily writable.

Reviewed-by: joerg

1 files changed, 1 insertions, 3 deletions

diff --git a/src/corelib/io/qsettings.cpp b/src/corelib/io/qsettings.cpp
index 64015ce..9562f58 100644
--- a/src/corelib/io/qsettings.cpp
+++ b/src/corelib/io/qsettings.cpp
@@ -252,9 +252,7 @@ bool QConfFile::isWritable() const
     } else {
         // Create the directories to the file.
         QDir dir(fileInfo.absolutePath());
-        if (dir.exists() && dir.isReadable()) {
-            return true;
-        } else {
+        if (!dir.exists()) {
             if (!dir.mkpath(dir.absolutePath()))
                 return false;
         }