Removed some error suppression operators

diff --git a/includes/Math.php b/includes/Math.php
index 09344af..0e136d5 100644 (file)
--- a/includes/Math.php
+++ b/includes/Math.php
@@ -154,7 +154,10 @@ class MathRenderer {
 
                        $hashpath = $this->_getHashPath();
                        if( !file_exists( $hashpath ) ) {
-                               if( !@wfMkdirParents( $hashpath, 0755 ) ) {
+                               wfSuppressWarnings();
+                               $ret = wfMkdirParents( $hashpath, 0755 );
+                               wfRestoreWarnings();
+                               if( !$ret ) {
                                        return $this->_error( 'math_bad_output' );
                                }
                        } elseif( !is_dir( $hashpath ) || !is_writable( $hashpath ) ) {
@@ -232,7 +235,9 @@ class MathRenderer {
                        if( file_exists( $filename ) ) {
                                if( filesize( $filename ) == 0 ) {
                                        // Some horrible error corrupted stuff :(
-                                       @unlink( $filename );
+                                       wfSuppressWarnings();
+                                       unlink( $filename );
+                                       wfRestoreWarnings();
                                } else {
                                        return true;
                                }
@@ -242,7 +247,10 @@ class MathRenderer {
                                $hashpath = $this->_getHashPath();
 
                                if( !file_exists( $hashpath ) ) {
-                                       if( !@wfMkdirParents( $hashpath, 0755 ) ) {
+                                       wfSuppressWarnings();
+                                       $ret = wfMkdirParents( $hashpath, 0755 );
+                                       wfRestoreWarnings();
+                                       if( !$ret ) {
                                                return false;
                                        }
                                } elseif( !is_dir( $hashpath ) || !is_writable( $hashpath ) ) {