ramfs: Fix miscellaneous warnings.

src/add-ons/kernel/file_systems/ramfs/Query.cpp

@@ -286,7 +286,7 @@ class Term {
 
 		virtual bool NeedsEntry() = 0;
 
-#ifdef DEBUG
+#if DEBUG
 		virtual void	PrintToStream() = 0;
 #endif
 
@@ -329,7 +329,7 @@ class Equation : public Term {
 
 		virtual bool NeedsEntry();
 
-#ifdef DEBUG
+#if DEBUG
 		virtual void PrintToStream();
 #endif
 
@@ -375,7 +375,7 @@ class Operator : public Term {
 		virtual bool NeedsEntry();
 
 		//Term		*Copy() const;
-#ifdef DEBUG
+#if DEBUG
 		virtual void PrintToStream();
 #endif
 
@@ -1389,7 +1389,7 @@ Operator::Copy() const
 
 //	#pragma mark -
 
-#ifdef DEBUG
+#if DEBUG
 void
 Operator::PrintToStream()
 {

src/add-ons/kernel/file_systems/ramfs/String.h

@@ -127,9 +127,7 @@ String::Truncate(int32 newLength)
 		newLength = 0;
 	if (newLength < fLength) {
 		char *string = fString;
-		int32 len = fLength;
 		fString = NULL;
-		len = 0;
 		if (!_SetTo(string, newLength)) {
 			fString = string;
 			fLength = newLength;

src/add-ons/kernel/file_systems/ramfs/kernel_interface.cpp

@@ -147,7 +147,7 @@ ramfs_read_fs_info(fs_volume* _volume, struct fs_info *info)
 		strcpy(info->fsh_name, "ramfs");
 	} else
 		SET_ERROR(error, B_ERROR);
-	return B_OK;
+	return error;
 }
 
 
@@ -916,7 +916,7 @@ ramfs_close(fs_volume* _volume, fs_vnode* _node, void* /*cookie*/)
 		notify_if_stat_changed(volume, node);
 	} else
 		SET_ERROR(error, B_ERROR);
-	return B_OK;
+	return error;
 
 }
 
@@ -1632,8 +1632,7 @@ ramfs_close_attr(fs_volume* _volume, fs_vnode* _node, void* _cookie)
 		notify_if_stat_changed(volume, node);
 	} else
 		SET_ERROR(error, B_ERROR);
-	return B_OK;
-
+	return error;
 }