nfs4: Fix mounting server's root directory

src/add-ons/kernel/file_systems/nfs4/FileInfo.cpp

@@ -30,14 +30,15 @@ FileInfo::ParsePath(RequestBuilder& req, uint32& count, const char* _path)
 		if (pathEnd != NULL)
 			*pathEnd = '\0';
 
-		req.LookUp(pathStart);
+		if (pathEnd != pathStart) {
+			req.LookUp(pathStart);
+			count++;
+		}
 
 		if (pathEnd != NULL && pathEnd[1] != '\0')
 			pathStart = pathEnd + 1;
 		else
 			pathStart = NULL;
-
-		count++;
 	}
 	free(path);
 

src/add-ons/kernel/file_systems/nfs4/InodeDir.cpp

@@ -268,9 +268,8 @@ Inode::ReadDir(void* _buffer, uint32 size, uint32* _count,
 		struct dirent* de = reinterpret_cast<dirent*>(buffer + pos);
 		
 		status_t result;
-		if (strcmp(fInfo.fName, "/"))
-			result = ReadDirUp(de, pos, size);
-		else {
+		result = ReadDirUp(de, pos, size);
+		if (result == B_ENTRY_NOT_FOUND) {
 			result = FillDirEntry(de, FileIdToInoT(fInfo.fFileId), "..", pos,
 				size);
 		}