Index: wp-admin/includes/ms.php
===================================================================
--- wp-admin/includes/ms.php	(revision 12962)
+++ wp-admin/includes/ms.php	(working copy)
@@ -614,34 +614,30 @@
 add_action( 'admin_notices', 'secret_salt_warning' );
 
 function admin_notice_feed() {
-	global $current_user;
-	if ( substr( $_SERVER[ 'PHP_SELF' ], -19 ) != '/wp-admin/index.php' )
+	global $current_user, $current_screen;
+	if ( $current_screen->id != 'index' )
 		return;
 
-	if ( isset( $_GET[ 'feed_dismiss' ] ) )
+	if ( !empty( $_GET[ 'feed_dismiss' ] ) )
 		update_user_option( $current_user->id, 'admin_feed_dismiss', $_GET[ 'feed_dismiss' ], true );
 
 	$url = get_site_option( 'admin_notice_feed' );
-	if ( $url == '' )
+	if ( empty( $url ) )
 		return;
 
-	$rss = @fetch_feed( $url );
-	$item = $rss->get_item();
-	if ( !is_null( $item ) ) {
+	$rss = fetch_feed( $url );
+	if ( ! is_wp_error( $rss ) && $item = $rss->get_item() ) {
 		$title = $item->get_title();
-		if ( md5( $title ) == get_user_option( 'admin_feed_dismiss', $current_user->id ) )
+		if ( md5( $title ) == get_user_option( 'admin_feed_dismiss' ) )
 			return;
 		$msg = "<h3>" . esc_html( $title ) . "</h3>\n";
 		$content = $item->get_description();
-		if ( is_null( $content ) )
-			$content = __( 'something' );
-
-		$content = wp_html_excerpt($content, 200) . ' ...';
-		$link = clean_url( strip_tags( $item->get_link() ) );
-		$msg .= "<p>" . $content . " <a href='$link'>" . __( 'Read More' ) . "</a> <a href='index.php?feed_dismiss=" . md5( $title ) . "'>" . __( "Dismiss" ) . "</a></p>";
+		$content = $content ? wp_html_excerpt( $content, 200 ) . ' &hellip; ' : '';
+		$link = esc_url( strip_tags( $item->get_link() ) );
+		$msg .= "<p>" . $content . "<a href='$link'>" . __( 'Read More' ) . "</a> <a href='index.php?feed_dismiss=" . md5( $title ) . "'>" . __( 'Dismiss' ) . "</a></p>";
 		echo "<div class='updated fade'>$msg</div>";
 	} elseif ( is_super_admin() ) {
-		printf("<div id='update-nag'>" . __("Your feed at %s is empty.") . "</div>", wp_specialchars( $url ));
+		printf( '<div id="update-nag">' . __( 'Your feed at %s is empty.' ) . '</div>', esc_html( $url ) );
 	}
 }
 add_action( 'admin_notices', 'admin_notice_feed' );