X-Git-Url: https://git.heureux-cyclage.org/?p=lhc%2Fweb%2Fwiklou.git;a=blobdiff_plain;f=includes%2Factions%2FRollbackAction.php;h=aa2858d8e3c6e20455f3cd9310900113ccbc9398;hp=3e760fd99b6f43dcd494f1de282825852fd31faa;hb=7874fc4bec845ad92960b07e969c65f3c3fe74f2;hpb=ff13c3d92a3357d2cbb03c4d58dfc33999942b0a

diff --git a/includes/actions/RollbackAction.php b/includes/actions/RollbackAction.php
index 3e760fd99b..aa2858d8e3 100644
--- a/includes/actions/RollbackAction.php
+++ b/includes/actions/RollbackAction.php
@@ -54,9 +54,12 @@ class RollbackAction extends FormlessAction {
 		$user = $this->getUser();
 		$from = $request->getVal( 'from' );
 		$rev = $this->page->getRevision();
-		if ( $from === null || $from === '' ) {
+		if ( $from === null ) {
 			throw new ErrorPageError( 'rollbackfailed', 'rollback-missingparam' );
 		}
+		if ( !$rev ) {
+			throw new ErrorPageError( 'rollbackfailed', 'rollback-missingrevision' );
+		}
 		if ( $from !== $rev->getUserText() ) {
 			throw new ErrorPageError( 'rollbackfailed', 'alreadyrolled', [
 				$this->getTitle()->getPrefixedText(),