grass provider: don't close invalid layers (fixes #7180)

jef-n · jef-n · commit a40364866ea4 · 2013-06-30T17:51:01.000+02:00
diff --git a/src/providers/grass/qgsgrassprovider.cpp b/src/providers/grass/qgsgrassprovider.cpp
@@ -677,6 +677,9 @@ void QgsGrassProvider::loadAttributes( GLAYER &layer )
 
 void QgsGrassProvider::closeLayer( int layerId )
 {
+  if ( layerId < 0 )
+    return;
+
   QgsDebugMsg( QString( "Close layer %1 nUsers = %2" ).arg( layerId ).arg( mLayers[layerId].nUsers ) );
 
   // TODO: not tested because delete is never used for providers

Original file line number	Diff line number	Diff line change
`@@ -677,6 +677,9 @@ void QgsGrassProvider::loadAttributes( GLAYER &layer )`
`677`	`677`
`678`	`678`	`void QgsGrassProvider::closeLayer( int layerId )`
`679`	`679`	`{`
	`680`	`+ if ( layerId < 0 )`
	`681`	`+ return;`
	`682`	`+`
`680`	`683`	`QgsDebugMsg( QString( "Close layer %1 nUsers = %2" ).arg( layerId ).arg( mLayers[layerId].nUsers ) );`
`681`	`684`
`682`	`685`	`// TODO: not tested because delete is never used for providers`